- Lead
- 8,563
- Total
- 162,283
- vs nation
- R+3.8
- Turnout
- 72.0%
McHenry County, IL
President margin by year
Place winner margin
President results by year
2024 turnout 72.0% of 227,704 citizens 18+
- Lead
- 4,106
- Total
- 164,578
- vs nation
- R+6.9
- Turnout
- 74.1%
- Lead
- 10,809
- Total
- 143,930
- vs nation
- R+9.6
- Turnout
- 66.3%
- Lead
- 11,801
- Total
- 134,237
- vs nation
- R+12.6
- Turnout
- —
- Lead
- 7,443
- Total
- 139,268
- vs nation
- R+1.9
- Turnout
- —
- Lead
- 26,082
- Total
- 127,948
- vs nation
- R+17.9
- Turnout
- —
- Lead
- 21,414
- Total
- 106,185
- vs nation
- R+20.7
- Turnout
- —
- Lead
- 9,896
- Total
- 83,256
- vs nation
- R+20.4
- Turnout
- —
Key facts
- 2024 presidential margin
- R+5.3MIT Election Lab
- Population
- 312,5912024 5-year
- Median household income
- $104,8022024 5-year
- White (non-Hispanic)
- 76.1%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 16.1%2024 5-year
- Peak Democratic margin
- D+5.3 in 2008MIT Election Lab
- Peak Republican margin
- R+71.9 in 1920MIT Election Lab
- Most similar
- Kendall County, IL · twin score 91.6
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 72.0%163,920 participants ÷ 227,704 CVAP
- 2020→2022 drop-off
- +21.8 ptsPresidential-dependent
- Drop-off versus state
- -0.3 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 50.2%–54.2%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 143,930 | 217,245 | 66.3% | C/A |
| 2018 · Midterm | 116,214 | 221,101 | 52.6% | C/A |
| 2020 · Presidential | 165,515 | 223,280 | 74.1% | A/A |
| 2022 · Midterm | 119,010 | 227,429 | 52.3% | C/A |
| 2024 · Presidential | 163,920 | 227,704 | 72.0% | A/A |
Sources and methods
- 2016: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 148/111.
- 2018: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 150/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 154/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
432 precincts · 163,996 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Nunda 11Nunda 11 | 576 | 576 | 48 | 1,200 | 48.0% | 48.0% | Exact tie |
|---|---|---|---|---|---|---|---|
| Precinct -Grafton 30Grafton 30 | 435 | 558 | 35 | 1,028 | 42.3% | 54.3% | R+12.0 |
| Precinct -McHenry 4McHenry 4 | 400 | 576 | 38 | 1,014 | 39.4% | 56.8% | R+17.4 |
| Precinct -Grafton 14Grafton 14 | 444 | 527 | 38 | 1,009 | 44.0% | 52.2% | R+8.2 |
| Precinct -Dorr 13Dorr 13 | 410 | 520 | 34 | 964 | 42.5% | 53.9% | R+11.4 |
| Precinct -McHenry 20McHenry 20 | 358 | 548 | 25 | 931 | 38.5% | 58.9% | R+20.4 |
| Precinct -Grafton 2Grafton 2 | 439 | 439 | 48 | 926 | 47.4% | 47.4% | Exact tie |
| Precinct -Grafton 26Grafton 26 | 509 | 399 | 18 | 926 | 55.0% | 43.1% | D+11.9 |
| Precinct -Grafton 4Grafton 4 | 355 | 546 | 25 | 926 | 38.3% | 59.0% | R+20.6 |
| Precinct -Grafton 29Grafton 29 | 440 | 454 | 19 | 913 | 48.2% | 49.7% | R+1.5 |
| Precinct -McHenry 13McHenry 13 | 325 | 551 | 29 | 905 | 35.9% | 60.9% | R+25.0 |
| Precinct -Grafton 27Grafton 27 | 459 | 415 | 26 | 900 | 51.0% | 46.1% | D+4.9 |
| Precinct -Nunda 1Nunda 1 | 368 | 508 | 20 | 896 | 41.1% | 56.7% | R+15.6 |
| Precinct -Grafton 6Grafton 6 | 380 | 494 | 21 | 895 | 42.5% | 55.2% | R+12.7 |
| Precinct -Greenwood 9Greenwood 9 | 329 | 543 | 20 | 892 | 36.9% | 60.9% | R+24.0 |
| Precinct -Riley 2Riley 2 | 350 | 514 | 28 | 892 | 39.2% | 57.6% | R+18.4 |
| Precinct -Algonquin 60Algonquin 60 | 380 | 457 | 36 | 873 | 43.5% | 52.3% | R+8.8 |
| Precinct -Algonquin 53Algonquin 53 | 356 | 484 | 31 | 871 | 40.9% | 55.6% | R+14.7 |
| Precinct -Grafton 17Grafton 17 | 365 | 472 | 30 | 867 | 42.1% | 54.4% | R+12.3 |
| Precinct -Algonquin 33Algonquin 33 | 461 | 381 | 24 | 866 | 53.2% | 44.0% | D+9.2 |
| Precinct -Grafton 16Grafton 16 | 431 | 407 | 27 | 865 | 49.8% | 47.1% | D+2.8 |
| Precinct -Grafton 35Grafton 35 | 388 | 443 | 33 | 864 | 44.9% | 51.3% | R+6.4 |
| Precinct -Dorr 12Dorr 12 | 375 | 453 | 26 | 854 | 43.9% | 53.0% | R+9.1 |
| Precinct -Grafton 13Grafton 13 | 418 | 418 | 18 | 854 | 48.9% | 48.9% | Exact tie |
| Precinct -McHenry 23McHenry 23 | 379 | 462 | 12 | 853 | 44.4% | 54.2% | R+9.7 |
| Precinct -Nunda 12Nunda 12 | 455 | 366 | 31 | 852 | 53.4% | 43.0% | D+10.4 |
| Precinct -McHenry 8McHenry 8 | 294 | 536 | 20 | 850 | 34.6% | 63.1% | R+28.5 |
| Precinct -Nunda 3Nunda 3 | 419 | 406 | 23 | 848 | 49.4% | 47.9% | D+1.5 |
| Precinct -McHenry 14McHenry 14 | 332 | 490 | 25 | 847 | 39.2% | 57.9% | R+18.7 |
| Precinct -Algonquin 18Algonquin 18 | 453 | 371 | 22 | 846 | 53.5% | 43.9% | D+9.7 |
| Precinct -Algonquin 51Algonquin 51 | 453 | 374 | 19 | 846 | 53.5% | 44.2% | D+9.3 |
| Precinct -Grafton 9Grafton 9 | 370 | 452 | 24 | 846 | 43.7% | 53.4% | R+9.7 |
| Precinct -Algonquin 38Algonquin 38 | 393 | 419 | 33 | 845 | 46.5% | 49.6% | R+3.1 |
| Precinct -Algonquin 55Algonquin 55 | 477 | 343 | 24 | 844 | 56.5% | 40.6% | D+15.9 |
| Precinct -Grafton 37Grafton 37 | 354 | 459 | 30 | 843 | 42.0% | 54.4% | R+12.5 |
| Precinct -Nunda 14Nunda 14 | 409 | 396 | 35 | 840 | 48.7% | 47.1% | D+1.5 |
| Precinct -Nunda 21Nunda 21 | 364 | 459 | 15 | 838 | 43.4% | 54.8% | R+11.3 |
| Precinct -Algonquin 59Algonquin 59 | 425 | 378 | 34 | 837 | 50.8% | 45.2% | D+5.6 |
| Precinct -Algonquin 8Algonquin 8 | 474 | 338 | 24 | 836 | 56.7% | 40.4% | D+16.3 |
| Precinct -Greenwood 6Greenwood 6 | 403 | 412 | 20 | 835 | 48.3% | 49.3% | R+1.1 |
| Precinct -Grafton 10Grafton 10 | 384 | 421 | 29 | 834 | 46.0% | 50.5% | R+4.4 |
| Precinct -Grafton 7Grafton 7 | 459 | 344 | 31 | 834 | 55.0% | 41.2% | D+13.8 |
| Precinct -Alden 1Alden 1 | 303 | 508 | 18 | 829 | 36.6% | 61.3% | R+24.7 |
| Precinct -Algonquin 21Algonquin 21 | 399 | 409 | 19 | 827 | 48.2% | 49.5% | R+1.2 |
| Precinct -Coral 1Coral 1 | 267 | 545 | 12 | 824 | 32.4% | 66.1% | R+33.7 |
| Precinct -Nunda 10Nunda 10 | 424 | 374 | 26 | 824 | 51.5% | 45.4% | D+6.1 |
| Precinct -Nunda 9Nunda 9 | 438 | 363 | 23 | 824 | 53.2% | 44.1% | D+9.1 |
| Precinct -Dorr 9Dorr 9 | 343 | 451 | 24 | 818 | 41.9% | 55.1% | R+13.2 |
| Precinct -Algonquin 62Algonquin 62 | 352 | 443 | 22 | 817 | 43.1% | 54.2% | R+11.1 |
| Precinct -Algonquin 28Algonquin 28 | 506 | 280 | 29 | 815 | 62.1% | 34.4% | D+27.7 |
| Precinct -Algonquin 31Algonquin 31 | 418 | 374 | 21 | 813 | 51.4% | 46.0% | D+5.4 |
| Precinct -Grafton 24Grafton 24 | 372 | 414 | 26 | 812 | 45.8% | 51.0% | R+5.2 |
| Precinct -Grafton 38Grafton 38 | 372 | 426 | 14 | 812 | 45.8% | 52.5% | R+6.7 |
| Precinct -McHenry 28McHenry 28 | 321 | 469 | 22 | 812 | 39.5% | 57.8% | R+18.2 |
| Precinct -Seneca 3Seneca 3 | 274 | 508 | 28 | 810 | 33.8% | 62.7% | R+28.9 |
| Precinct -Grafton 19Grafton 19 | 350 | 433 | 25 | 808 | 43.3% | 53.6% | R+10.3 |
| Precinct -Grafton 20Grafton 20 | 388 | 402 | 18 | 808 | 48.0% | 49.8% | R+1.7 |
| Precinct -Dorr 14Dorr 14 | 412 | 379 | 15 | 806 | 51.1% | 47.0% | D+4.1 |
| Precinct -Grafton 23Grafton 23 | 384 | 391 | 30 | 805 | 47.7% | 48.6% | R+0.9 |
| Precinct -Algonquin 50Algonquin 50 | 436 | 348 | 20 | 804 | 54.2% | 43.3% | D+10.9 |
| Precinct -Algonquin 58Algonquin 58 | 419 | 360 | 25 | 804 | 52.1% | 44.8% | D+7.3 |
| Precinct -McHenry 25McHenry 25 | 397 | 386 | 20 | 803 | 49.4% | 48.1% | D+1.4 |
| Precinct -Algonquin 46Algonquin 46 | 417 | 366 | 19 | 802 | 52.0% | 45.6% | D+6.4 |
| Precinct -Grafton 3Grafton 3 | 378 | 388 | 35 | 801 | 47.2% | 48.4% | R+1.2 |
| Precinct -Grafton 15Grafton 15 | 450 | 334 | 16 | 800 | 56.3% | 41.8% | D+14.5 |
| Precinct -Nunda 2Nunda 2 | 367 | 412 | 21 | 800 | 45.9% | 51.5% | R+5.6 |
| Precinct -Algonquin 1Algonquin 1 | 414 | 358 | 26 | 798 | 51.9% | 44.9% | D+7.0 |
| Precinct -Algonquin 57Algonquin 57 | 419 | 347 | 31 | 797 | 52.6% | 43.5% | D+9.0 |
| Precinct -Algonquin 63Algonquin 63 | 409 | 355 | 33 | 797 | 51.3% | 44.5% | D+6.8 |
| Precinct -Richmond 1Richmond 1 | 313 | 459 | 24 | 796 | 39.3% | 57.7% | R+18.3 |
| Precinct -McHenry 22McHenry 22 | 287 | 488 | 19 | 794 | 36.1% | 61.5% | R+25.3 |
| Precinct -Grafton 32Grafton 32 | 347 | 425 | 21 | 793 | 43.8% | 53.6% | R+9.8 |
| Precinct -Marengo 3Marengo 3 | 295 | 472 | 26 | 793 | 37.2% | 59.5% | R+22.3 |
| Precinct -Nunda 4Nunda 4 | 333 | 426 | 28 | 787 | 42.3% | 54.1% | R+11.8 |
| Precinct -Nunda 8Nunda 8 | 338 | 418 | 31 | 787 | 42.9% | 53.1% | R+10.2 |
| Precinct -Algonquin 41Algonquin 41 | 407 | 365 | 14 | 786 | 51.8% | 46.4% | D+5.3 |
| Precinct -Nunda 5Nunda 5 | 338 | 430 | 17 | 785 | 43.1% | 54.8% | R+11.7 |
| Precinct -Algonquin 2Algonquin 2 | 427 | 333 | 24 | 784 | 54.5% | 42.5% | D+12.0 |
| Precinct -Dorr 8Dorr 8 | 415 | 336 | 32 | 783 | 53.0% | 42.9% | D+10.1 |
| Precinct -Nunda 13Nunda 13 | 372 | 389 | 22 | 783 | 47.5% | 49.7% | R+2.2 |
| Precinct -Grafton 31Grafton 31 | 393 | 367 | 22 | 782 | 50.3% | 46.9% | D+3.3 |
| Precinct -Dorr 5Dorr 5 | 463 | 292 | 24 | 779 | 59.4% | 37.5% | D+22.0 |
| Precinct -Riley 1Riley 1 | 244 | 522 | 12 | 778 | 31.4% | 67.1% | R+35.7 |
| Precinct -Burton 1Burton 1 | 268 | 487 | 22 | 777 | 34.5% | 62.7% | R+28.2 |
| Precinct -Nunda 19Nunda 19 | 376 | 381 | 19 | 776 | 48.5% | 49.1% | R+0.6 |
| Precinct -Grafton 1Grafton 1 | 322 | 423 | 29 | 774 | 41.6% | 54.7% | R+13.0 |
| Precinct -Dorr 6Dorr 6 | 433 | 317 | 23 | 773 | 56.0% | 41.0% | D+15.0 |
| Precinct -Algonquin 39Algonquin 39 | 389 | 346 | 37 | 772 | 50.4% | 44.8% | D+5.6 |
| Precinct -Dorr 4Dorr 4 | 456 | 280 | 35 | 771 | 59.1% | 36.3% | D+22.8 |
| Precinct -Algonquin 16Algonquin 16 | 414 | 343 | 13 | 770 | 53.8% | 44.5% | D+9.2 |
| Precinct -Algonquin 42Algonquin 42 | 379 | 370 | 21 | 770 | 49.2% | 48.1% | D+1.2 |
| Precinct -Grafton 25Grafton 25 | 366 | 382 | 22 | 770 | 47.5% | 49.6% | R+2.1 |
| Precinct -Grafton 21Grafton 21 | 353 | 396 | 19 | 768 | 46.0% | 51.6% | R+5.6 |
| Precinct -Algonquin 14Algonquin 14 | 409 | 341 | 17 | 767 | 53.3% | 44.5% | D+8.9 |
| Precinct -Algonquin 35Algonquin 35 | 375 | 369 | 23 | 767 | 48.9% | 48.1% | D+0.8 |
| Precinct -Algonquin 52Algonquin 52 | 426 | 322 | 18 | 766 | 55.6% | 42.0% | D+13.6 |
| Precinct -Grafton 22Grafton 22 | 345 | 401 | 20 | 766 | 45.0% | 52.3% | R+7.3 |
| Precinct -McHenry 1McHenry 1 | 269 | 476 | 21 | 766 | 35.1% | 62.1% | R+27.0 |
| Precinct -Coral 3Coral 3 | 287 | 460 | 17 | 764 | 37.6% | 60.2% | R+22.6 |
| Precinct -Nunda 7Nunda 7 | 391 | 358 | 14 | 763 | 51.2% | 46.9% | D+4.3 |
| Precinct -McHenry 6McHenry 6 | 302 | 442 | 18 | 762 | 39.6% | 58.0% | R+18.4 |
| Precinct -Algonquin 22Algonquin 22 | 373 | 374 | 13 | 760 | 49.1% | 49.2% | R+0.1 |
| Precinct -Richmond 4Richmond 4 | 260 | 480 | 19 | 759 | 34.3% | 63.2% | R+29.0 |
| Precinct -McHenry 21McHenry 21 | 248 | 482 | 27 | 757 | 32.8% | 63.7% | R+30.9 |
| Precinct -Algonquin 34Algonquin 34 | 364 | 371 | 20 | 755 | 48.2% | 49.1% | R+0.9 |
| Precinct -Richmond 3Richmond 3 | 291 | 445 | 19 | 755 | 38.5% | 58.9% | R+20.4 |
| Precinct -Algonquin 3Algonquin 3 | 432 | 287 | 35 | 754 | 57.3% | 38.1% | D+19.2 |
| Precinct -Grafton 8Grafton 8 | 353 | 372 | 27 | 752 | 46.9% | 49.5% | R+2.5 |
| Precinct -Algonquin 47Algonquin 47 | 363 | 367 | 18 | 748 | 48.5% | 49.1% | R+0.5 |
| Precinct -Burton 2Burton 2 | 238 | 489 | 19 | 746 | 31.9% | 65.5% | R+33.6 |
| Precinct -Grafton 18Grafton 18 | 384 | 341 | 20 | 745 | 51.5% | 45.8% | D+5.8 |
| Precinct -Nunda 6Nunda 6 | 293 | 433 | 18 | 744 | 39.4% | 58.2% | R+18.8 |
| Precinct -McHenry 26McHenry 26 | 376 | 340 | 27 | 743 | 50.6% | 45.8% | D+4.8 |
| Precinct -Algonquin 20Algonquin 20 | 312 | 408 | 22 | 742 | 42.0% | 55.0% | R+12.9 |
| Precinct -Grafton 36Grafton 36 | 367 | 359 | 15 | 741 | 49.5% | 48.4% | D+1.1 |
| Precinct -Algonquin 9Algonquin 9 | 402 | 315 | 23 | 740 | 54.3% | 42.6% | D+11.8 |
| Precinct -Coral 2Coral 2 | 245 | 478 | 14 | 737 | 33.2% | 64.9% | R+31.6 |
| Precinct -McHenry 7McHenry 7 | 291 | 428 | 16 | 735 | 39.6% | 58.2% | R+18.6 |
| Precinct -Grafton 12Grafton 12 | 338 | 371 | 24 | 733 | 46.1% | 50.6% | R+4.5 |
| Precinct -Algonquin 45Algonquin 45 | 354 | 352 | 26 | 732 | 48.4% | 48.1% | D+0.3 |
| Precinct -Algonquin 7Algonquin 7 | 367 | 337 | 25 | 729 | 50.3% | 46.2% | D+4.1 |
| Precinct -Nunda 15Nunda 15 | 294 | 407 | 25 | 726 | 40.5% | 56.1% | R+15.6 |
| Precinct -Algonquin 5Algonquin 5 | 442 | 265 | 18 | 725 | 61.0% | 36.6% | D+24.4 |
| Precinct -Algonquin 15Algonquin 15 | 322 | 378 | 24 | 724 | 44.5% | 52.2% | R+7.7 |
| Precinct -Algonquin 37Algonquin 37 | 319 | 387 | 17 | 723 | 44.1% | 53.5% | R+9.4 |
| Precinct -McHenry 3McHenry 3 | 273 | 435 | 15 | 723 | 37.8% | 60.2% | R+22.4 |
| Precinct -Richmond 2Richmond 2 | 308 | 394 | 21 | 723 | 42.6% | 54.5% | R+11.9 |
| Precinct -Marengo 5Marengo 5 | 239 | 468 | 15 | 722 | 33.1% | 64.8% | R+31.7 |
| Precinct -McHenry 5McHenry 5 | 294 | 405 | 22 | 721 | 40.8% | 56.2% | R+15.4 |
| Precinct -Nunda 22Nunda 22 | 366 | 344 | 11 | 721 | 50.8% | 47.7% | D+3.1 |
| Precinct -Algonquin 48Algonquin 48 | 385 | 318 | 15 | 718 | 53.6% | 44.3% | D+9.3 |
| Precinct -Algonquin 56Algonquin 56 | 379 | 310 | 29 | 718 | 52.8% | 43.2% | D+9.6 |
| Precinct -Greenwood 2Greenwood 2 | 405 | 300 | 13 | 718 | 56.4% | 41.8% | D+14.6 |
| Precinct -Algonquin 49Algonquin 49 | 352 | 339 | 26 | 717 | 49.1% | 47.3% | D+1.8 |
| Precinct -Algonquin 61Algonquin 61 | 338 | 349 | 26 | 713 | 47.4% | 48.9% | R+1.5 |
| Precinct -McHenry 10McHenry 10 | 332 | 359 | 21 | 712 | 46.6% | 50.4% | R+3.8 |
| Precinct -McHenry 15McHenry 15 | 252 | 441 | 17 | 710 | 35.5% | 62.1% | R+26.6 |
| Precinct -Algonquin 10Algonquin 10 | 378 | 318 | 13 | 709 | 53.3% | 44.9% | D+8.5 |
| Precinct -Nunda 28Nunda 28 | 347 | 343 | 19 | 709 | 48.9% | 48.4% | D+0.6 |
| Precinct -Algonquin 40Algonquin 40 | 363 | 324 | 20 | 707 | 51.3% | 45.8% | D+5.5 |
| Precinct -Algonquin 4Algonquin 4 | 376 | 295 | 34 | 705 | 53.3% | 41.8% | D+11.5 |
| Precinct -McHenry 11McHenry 11 | 283 | 407 | 15 | 705 | 40.1% | 57.7% | R+17.6 |
| Precinct -McHenry 33McHenry 33 | 322 | 366 | 17 | 705 | 45.7% | 51.9% | R+6.2 |
| Precinct -Algonquin 6Algonquin 6 | 363 | 320 | 18 | 701 | 51.8% | 45.6% | D+6.1 |
| Precinct -Greenwood 8Greenwood 8 | 272 | 408 | 21 | 701 | 38.8% | 58.2% | R+19.4 |
| Precinct -Greenwood 4Greenwood 4 | 393 | 284 | 22 | 699 | 56.2% | 40.6% | D+15.6 |
| Precinct -McHenry 16McHenry 16 | 260 | 425 | 14 | 699 | 37.2% | 60.8% | R+23.6 |
| Precinct -Grafton 5Grafton 5 | 289 | 388 | 21 | 698 | 41.4% | 55.6% | R+14.2 |
| Precinct -Algonquin 27Algonquin 27 | 340 | 338 | 19 | 697 | 48.8% | 48.5% | D+0.3 |
| Precinct -Algonquin 29Algonquin 29 | 312 | 371 | 13 | 696 | 44.8% | 53.3% | R+8.5 |
| Precinct -Dorr 7Dorr 7 | 387 | 290 | 19 | 696 | 55.6% | 41.7% | D+13.9 |
| Precinct -Algonquin 54Algonquin 54 | 326 | 351 | 18 | 695 | 46.9% | 50.5% | R+3.6 |
| Precinct -Dorr 10Dorr 10 | 366 | 306 | 16 | 688 | 53.2% | 44.5% | D+8.7 |
| Precinct -Algonquin 11Algonquin 11 | 340 | 322 | 25 | 687 | 49.5% | 46.9% | D+2.6 |
| Precinct -Algonquin 17Algonquin 17 | 368 | 301 | 18 | 687 | 53.6% | 43.8% | D+9.8 |
| Precinct -McHenry 2McHenry 2 | 240 | 428 | 19 | 687 | 34.9% | 62.3% | R+27.4 |
| Precinct -Marengo 2Marengo 2 | 237 | 428 | 14 | 679 | 34.9% | 63.0% | R+28.1 |
| Precinct -Burton 3Burton 3 | 255 | 405 | 16 | 676 | 37.7% | 59.9% | R+22.2 |
| Precinct -Dorr 3Dorr 3 | 384 | 273 | 15 | 672 | 57.1% | 40.6% | D+16.5 |
| Precinct -Algonquin 44Algonquin 44 | 277 | 380 | 14 | 671 | 41.3% | 56.6% | R+15.4 |
| Precinct -Algonquin 30Algonquin 30 | 345 | 313 | 12 | 670 | 51.5% | 46.7% | D+4.8 |
| Precinct -Hebron 2Hebron 2 | 243 | 408 | 15 | 666 | 36.5% | 61.3% | R+24.8 |
| Precinct -Dorr 2Dorr 2 | 377 | 261 | 26 | 664 | 56.8% | 39.3% | D+17.5 |
| Precinct -Burton 4Burton 4 | 225 | 425 | 10 | 660 | 34.1% | 64.4% | R+30.3 |
| Precinct -Dorr 11Dorr 11 | 342 | 291 | 26 | 659 | 51.9% | 44.2% | D+7.7 |
| Precinct -Dorr 1Dorr 1 | 366 | 272 | 20 | 658 | 55.6% | 41.3% | D+14.3 |
| Precinct -Hebron 1Hebron 1 | 238 | 405 | 14 | 657 | 36.2% | 61.6% | R+25.4 |
| Precinct -Algonquin 25Algonquin 25 | 288 | 355 | 13 | 656 | 43.9% | 54.1% | R+10.2 |
| Precinct -Algonquin 26Algonquin 26 | 306 | 328 | 21 | 655 | 46.7% | 50.1% | R+3.4 |
| Precinct -Nunda 16Nunda 16 | 321 | 317 | 16 | 654 | 49.1% | 48.5% | D+0.6 |
| Precinct -McHenry 24McHenry 24 | 292 | 337 | 24 | 653 | 44.7% | 51.6% | R+6.9 |
| Precinct -McHenry 34McHenry 34 | 226 | 406 | 18 | 650 | 34.8% | 62.5% | R+27.7 |
| Precinct -McHenry 12McHenry 12 | 308 | 320 | 21 | 649 | 47.5% | 49.3% | R+1.8 |
| Precinct -Greenwood 3Greenwood 3 | 382 | 247 | 19 | 648 | 59.0% | 38.1% | D+20.8 |
| Precinct -McHenry 9McHenry 9 | 292 | 331 | 23 | 646 | 45.2% | 51.2% | R+6.0 |
| Precinct -McHenry 29McHenry 29 | 226 | 404 | 15 | 645 | 35.0% | 62.6% | R+27.6 |
| Precinct -Algonquin 13Algonquin 13 | 331 | 297 | 16 | 644 | 51.4% | 46.1% | D+5.3 |
| Precinct -Grafton 28Grafton 28 | 285 | 339 | 17 | 641 | 44.5% | 52.9% | R+8.4 |
| Precinct -Nunda 27Nunda 27 | 303 | 323 | 15 | 641 | 47.3% | 50.4% | R+3.1 |
| Precinct -Algonquin 12Algonquin 12 | 346 | 283 | 10 | 639 | 54.1% | 44.3% | D+9.9 |
| Precinct -Greenwood 1Greenwood 1 | 250 | 367 | 21 | 638 | 39.2% | 57.5% | R+18.3 |
| Precinct -Nunda 17Nunda 17 | 386 | 231 | 21 | 638 | 60.5% | 36.2% | D+24.3 |
| Precinct -Greenwood 5Greenwood 5 | 355 | 263 | 17 | 635 | 55.9% | 41.4% | D+14.5 |
| Precinct -Nunda 29Nunda 29 | 276 | 341 | 18 | 635 | 43.5% | 53.7% | R+10.2 |
| Precinct -Marengo 4Marengo 4 | 263 | 353 | 17 | 633 | 41.5% | 55.8% | R+14.2 |
| Precinct -Nunda 24Nunda 24 | 264 | 355 | 12 | 631 | 41.8% | 56.3% | R+14.4 |
| Precinct -Algonquin 36Algonquin 36 | 309 | 303 | 15 | 627 | 49.3% | 48.3% | D+1.0 |
| Precinct -Nunda 20Nunda 20 | 271 | 337 | 15 | 623 | 43.5% | 54.1% | R+10.6 |
| Precinct -McHenry 18McHenry 18 | 242 | 366 | 9 | 617 | 39.2% | 59.3% | R+20.1 |
| Precinct -Algonquin 32Algonquin 32 | 318 | 280 | 16 | 614 | 51.8% | 45.6% | D+6.2 |
| Precinct -Algonquin 19Algonquin 19 | 260 | 319 | 33 | 612 | 42.5% | 52.1% | R+9.6 |
| Precinct -McHenry 17McHenry 17 | 206 | 387 | 19 | 612 | 33.7% | 63.2% | R+29.6 |
| Precinct -Chemung 1Chemung 1 | 297 | 293 | 21 | 611 | 48.6% | 48.0% | D+0.7 |
| Precinct -Dunham 2Dunham 2 | 222 | 348 | 24 | 594 | 37.4% | 58.6% | R+21.2 |
| Precinct -Algonquin 23Algonquin 23 | 266 | 305 | 19 | 590 | 45.1% | 51.7% | R+6.6 |
| Precinct -McHenry 19McHenry 19 | 209 | 365 | 15 | 589 | 35.5% | 62.0% | R+26.5 |
| Precinct -Grafton 34Grafton 34 | 304 | 272 | 11 | 587 | 51.8% | 46.3% | D+5.5 |
| Precinct -Marengo 1Marengo 1 | 235 | 337 | 14 | 586 | 40.1% | 57.5% | R+17.4 |
| Precinct -Nunda 26Nunda 26 | 203 | 371 | 12 | 586 | 34.6% | 63.3% | R+28.7 |
| Precinct -Nunda 18Nunda 18 | 327 | 234 | 23 | 584 | 56.0% | 40.1% | D+15.9 |
| Precinct -Nunda 23Nunda 23 | 269 | 302 | 10 | 581 | 46.3% | 52.0% | R+5.7 |
| Precinct -Chemung 5Chemung 5 | 223 | 344 | 12 | 579 | 38.5% | 59.4% | R+20.9 |
| Precinct -Chemung 2Chemung 2 | 252 | 304 | 20 | 576 | 43.8% | 52.8% | R+9.0 |
| Precinct -McHenry 30McHenry 30 | 263 | 291 | 17 | 571 | 46.1% | 51.0% | R+4.9 |
| Precinct -Richmond 6Richmond 6 | 224 | 330 | 14 | 568 | 39.4% | 58.1% | R+18.7 |
| Precinct -Hartland 1Hartland 1 | 210 | 333 | 24 | 567 | 37.0% | 58.7% | R+21.7 |
| Precinct -Hartland 2Hartland 2 | 223 | 326 | 18 | 567 | 39.3% | 57.5% | R+18.2 |
| Precinct -Greenwood 10Greenwood 10 | 267 | 287 | 10 | 564 | 47.3% | 50.9% | R+3.5 |
| Precinct -Grafton 11Grafton 11 | 286 | 253 | 22 | 561 | 51.0% | 45.1% | D+5.9 |
| Precinct -Grafton 33Grafton 33 | 283 | 260 | 17 | 560 | 50.5% | 46.4% | D+4.1 |
| Precinct -Nunda 25Nunda 25 | 187 | 357 | 16 | 560 | 33.4% | 63.7% | R+30.4 |
| Precinct -Chemung 4Chemung 4 | 238 | 292 | 20 | 550 | 43.3% | 53.1% | R+9.8 |
| Precinct -Greenwood 7Greenwood 7 | 205 | 327 | 17 | 549 | 37.3% | 59.6% | R+22.2 |
| Precinct -McHenry 27McHenry 27 | 240 | 287 | 11 | 538 | 44.6% | 53.3% | R+8.7 |
| Precinct -Algonquin 24Algonquin 24 | 265 | 231 | 19 | 515 | 51.5% | 44.9% | D+6.6 |
| Precinct -McHenry 32McHenry 32 | 255 | 250 | 8 | 513 | 49.7% | 48.7% | D+1.0 |
| Precinct -Algonquin 43Algonquin 43 | 222 | 260 | 17 | 499 | 44.5% | 52.1% | R+7.6 |
| Precinct -Dunham 1Dunham 1 | 242 | 239 | 12 | 493 | 49.1% | 48.5% | D+0.6 |
| Precinct -McHenry 31McHenry 31 | 232 | 246 | 11 | 489 | 47.4% | 50.3% | R+2.9 |
| Precinct -Chemung 3Chemung 3 | 231 | 244 | 13 | 488 | 47.3% | 50.0% | R+2.7 |
| Precinct -Seneca 2Seneca 2 | 223 | 237 | 17 | 477 | 46.8% | 49.7% | R+2.9 |
| Precinct -Seneca 1Seneca 1 | 218 | 225 | 18 | 461 | 47.3% | 48.8% | R+1.5 |
| Precinct -Richmond 5Richmond 5 | 169 | 272 | 15 | 456 | 37.1% | 59.6% | R+22.6 |
| Alden 1 Voting District17_1711100150 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 1 Voting District17_1711100066 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 10 Voting District17_1711100106 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 11 Voting District17_1711100080 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 12 Voting District17_1711100069 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 13 Voting District17_1711100009 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 14 Voting District17_1711100082 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 15 Voting District17_1711100081 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 16 Voting District17_1711100077 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 17 Voting District17_1711100093 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 18 Voting District17_1711100086 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 19 Voting District17_1711100020 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 2 Voting District17_1711100067 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 20 Voting District17_1711100089 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 21 Voting District17_1711100090 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 22 Voting District17_1711100092 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 23 Voting District17_1711100094 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 24 Voting District17_1711100010 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 25 Voting District17_1711100011 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 26 Voting District17_1711100096 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 27 Voting District17_1711100012 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 28 Voting District17_1711100087 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 29 Voting District17_1711100091 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 3 Voting District17_1711100068 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 30 Voting District17_1711100097 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 31 Voting District17_1711100095 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 32 Voting District17_1711100083 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 33 Voting District17_1711100078 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 34 Voting District17_1711100070 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 35 Voting District17_1711100098 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 36 Voting District17_1711100013 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 37 Voting District17_1711100014 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 38 Voting District17_1711100107 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 39 Voting District17_1711100084 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 4 Voting District17_1711100071 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 40 Voting District17_1711100099 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 41 Voting District17_1711100085 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 42 Voting District17_1711100108 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 43 Voting District17_1711100100 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 44 Voting District17_1711100101 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 45 Voting District17_1711100079 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 46 Voting District17_1711100103 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 47 Voting District17_1711100104 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 48 Voting District17_1711100105 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 49 Voting District17_1711100109 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 5 Voting District17_1711100072 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 50 Voting District17_1711100073 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 51 Voting District17_1711100110 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 52 Voting District17_1711100015 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 53 Voting District17_1711100111 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 54 Voting District17_1711100112 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 55 Voting District17_1711100088 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 56 Voting District17_1711100102 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 57 Voting District17_1711100180 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 58 Voting District17_1711100181 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 59 Voting District17_1711100182 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 6 Voting District17_1711100074 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 60 Voting District17_1711100183 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 61 Voting District17_1711100184 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 62 Voting District17_1711100185 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 63 Voting District17_1711100186 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 64 Voting District17_1711100187 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 65 Voting District17_1711100188 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 66 Voting District17_1711100189 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 7 Voting District17_1711100019 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 8 Voting District17_1711100075 | 0 | 0 | 0 | 0 | — | — | No votes |
| Algonquin 9 Voting District17_1711100076 | 0 | 0 | 0 | 0 | — | — | No votes |
| Burton 1 Voting District17_1711100161 | 0 | 0 | 0 | 0 | — | — | No votes |
| Burton 2 Voting District17_1711100162 | 0 | 0 | 0 | 0 | — | — | No votes |
| BURTON 3 Voting District17_1711100190 | 0 | 0 | 0 | 0 | — | — | No votes |
| Chemung 1 Voting District17_1711100145 | 0 | 0 | 0 | 0 | — | — | No votes |
| Chemung 2 Voting District17_1711100146 | 0 | 0 | 0 | 0 | — | — | No votes |
| Chemung 3 Voting District17_1711100147 | 0 | 0 | 0 | 0 | — | — | No votes |
| Chemung 4 Voting District17_1711100148 | 0 | 0 | 0 | 0 | — | — | No votes |
| Chemung 5 Voting District17_1711100149 | 0 | 0 | 0 | 0 | — | — | No votes |
| Coral 1 Voting District17_1711100153 | 0 | 0 | 0 | 0 | — | — | No votes |
| Coral 2 Voting District17_1711100154 | 0 | 0 | 0 | 0 | — | — | No votes |
| Coral 3 Voting District17_1711100170 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 1 Voting District17_1711100022 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 10 Voting District17_1711100031 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 11 Voting District17_1711100032 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 12 Voting District17_1711100033 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 13 Voting District17_1711100174 | 0 | 0 | 0 | 0 | — | — | No votes |
| DORR 14 Voting District17_17111000211 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 2 Voting District17_1711100023 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 3 Voting District17_1711100024 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 4 Voting District17_1711100025 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 5 Voting District17_1711100026 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 6 Voting District17_1711100027 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 7 Voting District17_1711100028 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 8 Voting District17_1711100029 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dorr 9 Voting District17_1711100030 | 0 | 0 | 0 | 0 | — | — | No votes |
| Dunham 1 Voting District17_1711100144 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 1 Voting District17_1711100002 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 10 Voting District17_1711100018 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 11 Voting District17_1711100008 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 12 Voting District17_1711100171 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 13 Voting District17_1711100172 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 14 Voting District17_1711100173 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 15 Voting District17_1711100191 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 16 Voting District17_1711100192 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 17 Voting District17_1711100193 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 18 Voting District17_1711100194 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 19 Voting District17_1711100195 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 2 Voting District17_1711100003 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 20 Voting District17_1711100196 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 21 Voting District17_1711100197 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 22 Voting District17_1711100198 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 24 Voting District17_1711100200 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 25 Voting District17_1711100201 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 26 Voting District17_1711100202 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 27 Voting District17_1711100203 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 28 Voting District17_1711100204 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 29 Voting District17_1711100205 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 3 Voting District17_1711100005 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 30 Voting District17_1711100206 | 0 | 0 | 0 | 0 | — | — | No votes |
| GRAFTON 31 Voting District17_1711100207 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 4 Voting District17_1711100016 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 5 Voting District17_1711100006 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 6 Voting District17_1711100004 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 7 Voting District17_1711100017 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 8 Voting District17_1711100007 | 0 | 0 | 0 | 0 | — | — | No votes |
| Grafton 9 Voting District17_1711100021 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 1 Voting District17_1711100138 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 2 Voting District17_1711100034 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 3 Voting District17_1711100036 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 4 Voting District17_1711100035 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 5 Voting District17_1711100117 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 6 Voting District17_1711100114 | 0 | 0 | 0 | 0 | — | — | No votes |
| Greenwood 7 Voting District17_1711100175 | 0 | 0 | 0 | 0 | — | — | No votes |
| Hartland 1 Voting District17_1711100001 | 0 | 0 | 0 | 0 | — | — | No votes |
| Hartland 2 Voting District17_1711100113 | 0 | 0 | 0 | 0 | — | — | No votes |
| Hebron 1 Voting District17_1711100156 | 0 | 0 | 0 | 0 | — | — | No votes |
| Hebron 2 Voting District17_1711100157 | 0 | 0 | 0 | 0 | — | — | No votes |
| Marengo 1 Voting District17_1711100140 | 0 | 0 | 0 | 0 | — | — | No votes |
| Marengo 2 Voting District17_1711100141 | 0 | 0 | 0 | 0 | — | — | No votes |
| Marengo 3 Voting District17_1711100142 | 0 | 0 | 0 | 0 | — | — | No votes |
| Marengo 4 Voting District17_1711100143 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 1 Voting District17_1711100037 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 10 Voting District17_1711100049 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 11 Voting District17_1711100050 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 12 Voting District17_1711100118 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 13 Voting District17_1711100052 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 14 Voting District17_1711100054 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 15 Voting District17_1711100055 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 16 Voting District17_1711100056 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 17 Voting District17_1711100119 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 18 Voting District17_1711100057 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 19 Voting District17_1711100044 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 2 Voting District17_1711100038 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 20 Voting District17_1711100039 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 21 Voting District17_1711100041 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 22 Voting District17_1711100116 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 23 Voting District17_1711100059 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 24 Voting District17_1711100053 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 25 Voting District17_1711100061 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 26 Voting District17_1711100060 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 27 Voting District17_1711100048 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 28 Voting District17_1711100062 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 29 Voting District17_1711100051 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 3 Voting District17_1711100040 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 30 Voting District17_1711100063 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 31 Voting District17_1711100058 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 32 Voting District17_1711100064 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 33 Voting District17_1711100065 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 34 Voting District17_1711100177 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 35 Voting District17_1711100210 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 4 Voting District17_1711100042 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 5 Voting District17_1711100043 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 6 Voting District17_1711100115 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 7 Voting District17_1711100045 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 8 Voting District17_1711100046 | 0 | 0 | 0 | 0 | — | — | No votes |
| McHenry 9 Voting District17_1711100047 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 1 Voting District17_1711100163 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 10 Voting District17_1711100122 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 11 Voting District17_1711100123 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 12 Voting District17_1711100124 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 13 Voting District17_1711100125 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 14 Voting District17_1711100126 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 15 Voting District17_1711100127 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 16 Voting District17_1711100128 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 17 Voting District17_1711100129 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 18 Voting District17_1711100130 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 19 Voting District17_1711100131 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 2 Voting District17_1711100164 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 20 Voting District17_1711100132 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 21 Voting District17_1711100133 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 22 Voting District17_1711100134 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 23 Voting District17_1711100135 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 24 Voting District17_1711100136 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 25 Voting District17_1711100137 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 26 Voting District17_1711100178 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 27 Voting District17_1711100179 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 28 Voting District17_1711100208 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 29 Voting District17_1711100209 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 3 Voting District17_1711100165 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 4 Voting District17_1711100166 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 5 Voting District17_1711100167 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 6 Voting District17_1711100168 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 7 Voting District17_1711100169 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 8 Voting District17_1711100120 | 0 | 0 | 0 | 0 | — | — | No votes |
| Nunda 9 Voting District17_1711100121 | 0 | 0 | 0 | 0 | — | — | No votes |
| Richmond 1 Voting District17_1711100158 | 0 | 0 | 0 | 0 | — | — | No votes |
| Richmond 2 Voting District17_1711100159 | 0 | 0 | 0 | 0 | — | — | No votes |
| Richmond 3 Voting District17_1711100160 | 0 | 0 | 0 | 0 | — | — | No votes |
| Richmond 4 Voting District17_1711100176 | 0 | 0 | 0 | 0 | — | — | No votes |
| Riley 1 Voting District17_1711100139 | 0 | 0 | 0 | 0 | — | — | No votes |
| Seneca 1 Voting District17_1711100151 | 0 | 0 | 0 | 0 | — | — | No votes |
| Seneca 2 Voting District17_1711100152 | 0 | 0 | 0 | 0 | — | — | No votes |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −15.4% |
| 1896 | −44.0% |
| 1900 | −42.3% |
| 1904 | −58.5% |
| 1908 | −45.9% |
| 1912 | −6.1% |
| 1916 | −45.9% |
| 1920 | −71.9% |
| 1924 | −56.7% |
| 1928 | −31.0% |
| 1932 | −8.7% |
| 1936 | −25.9% |
| 1940 | −45.2% |
| 1944 | −47.4% |
| 1948 | −47.4% |
| 1952 | −48.7% |
| 1956 | −56.9% |
| 1960 | −34.1% |
| 1964 | −11.1% |
| 1968 | −39.7% |
| 1972 | −49.7% |
| 1976 | −36.9% |
| 1980 | −41.4% |
| 1984 | −53.0% |
| 1988 | −41.6% |
| 1992 | −18.8% |
| 1996 | −11.9% |
| 2000 | −20.2% |
| 2004 | −20.4% |
| 2008 | +5.3% |
| 2012 | −8.8% |
| 2016 | −7.5% |
| 2020 | −2.5% |
| 2024 | −5.3% |
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate special elections
Each row shows U.S. Senate special votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 229,433 |
| 2018 | 244,460 |
| 2020 | 239,316 |
| 2022 | 259,487 |
| 2024 | 239,261 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+1,494 net domestic migration · 2025
Net −9,126 over 2011–2025 · gain loss
Arrivals reported $76,489 in average income, against $102,517 for residents who stayed — 25% lower. (IRS SOI, 2022–23)
The places arrivals came from lean D+22.1 on average — 27 points more Democratic-leaning than McHenry County, IL itself (R+5.3).
Where arrivals came from lean of each source
- Cook County, IL2,305D+41.6
- Lake County, IL1,276D+20.7
- Kane County, IL1,142D+9.3
- DuPage County, IL448D+13.1
- Walworth County, WI138R+22.2
- Winnebago County, IL132D+0.6
Where departures went households, 2022–23
- Cook County, IL1,307
- Lake County, IL944
- Kane County, IL857
- DuPage County, IL250
- Walworth County, WI198
- Winnebago County, IL182
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −2,304 |
| 2012 | −1,882 |
| 2013 | −2,031 |
| 2014 | −1,559 |
| 2015 | −1,197 |
| 2016 | −1,618 |
| 2017 | −434 |
| 2018 | −489 |
| 2019 | −1,381 |
| 2021 | +987 |
| 2022 | −424 |
| 2023 | +443 |
| 2024 | +1,269 |
| 2025 | +1,494 |
A fast-growing exurban county northwest of Chicago, McHenry shifted from R+20 margins a decade ago to R+5.3 in 2024, reflecting the broader realignment of college-educated suburban voters across the collar counties.
Across the recorded series it reached a Democratic high of 5.3 points in 2008 and a Republican high of 71.9 points in 1920. Between 2020 and 2024 the county moved 2.8 points toward the Republican candidate; the 2024 margin was 5.3 points.
A population of 312,591, a 76% non-Hispanic-white share, and a median household income of $104,802 describe the county. The county's voting pattern over the last decade is most similar to that of Kendall County and Walworth County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
McHenry County, Illinois. Akashic. https://akashic.app/county/17111/. Accessed May 20, 2026. License: CC BY 4.0.