HarrisDemocratic25.5%8,111TrumpRepublican72.9%23,161KennedyIndependent1.5%472
R+47.4- Lead
- 15,050
- Total
- 31,766
- vs nation
- R+45.9
- Turnout
- 64.2%
Akashiccounty
Adams County, IL
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
2024 turnout 64.2% of 49,879 citizens 18+
BidenDemocratic25.7%8,633TrumpRepublican72.2%24,220JorgensenLibertarian1.4%483
R+46.5- Lead
- 15,587
- Total
- 33,527
- vs nation
- R+50.9
- Turnout
- 67.3%
ClintonDemocratic23.8%7,676TrumpRepublican70.5%22,790JohnsonLibertarian3.6%1,168
R+46.8- Lead
- 15,114
- Total
- 32,310
- vs nation
- R+48.9
- Turnout
- 62.9%
ObamaDemocratic31.4%9,648RomneyRepublican66.5%20,416JOHNSONLibertarian1.2%377
R+35.1- Lead
- 10,768
- Total
- 30,697
- vs nation
- R+38.9
- Turnout
- —
ObamaDemocratic38.3%11,794McCainRepublican60.7%18,711OtherAll other candidates1.0%318
R+22.4- Lead
- 6,917
- Total
- 30,823
- vs nation
- R+29.7
- Turnout
- —
KerryDemocratic33.4%10,511BushRepublican66.2%20,834OtherAll other candidates0.4%132
R+32.8- Lead
- 10,323
- Total
- 31,477
- vs nation
- R+30.3
- Turnout
- —
GoreDemocratic40.5%12,197BushRepublican57.6%17,331NaderGreen1.2%371
R+17.1- Lead
- 5,134
- Total
- 30,109
- vs nation
- R+17.6
- Turnout
- —
ClintonDemocratic39.9%11,336DoleRepublican48.7%13,836PerotReform10.8%3,069
R+8.8- Lead
- 2,500
- Total
- 28,411
- vs nation
- R+17.3
- Turnout
- —
Key facts
- 2024 presidential margin
- R+47.4MIT Election Lab
- Population
- 64,7542024 5-year
- Median household income
- $66,2202024 5-year
- White (non-Hispanic)
- 90.0%2024 5-year
- Black
- 2.8%2024 5-year
- Hispanic / Latino
- 2.1%2024 5-year
- Peak Democratic margin
- D+34.6 in 1932MIT Election Lab
- Peak Republican margin
- R+47.4 in 2024MIT Election Lab
- Most similar
- Douglas County, IL · twin score 78.4
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
- 64.2%32,031 participants ÷ 49,879 CVAP
- 2020→2022 drop-off
- +17.2 ptsVolatile
- Drop-off versus state
- -4.9 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 47.0%–49.2%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 32,310 | 51,394 | 62.9% | C/A |
| 2018 · Midterm | 25,581 | 51,126 | 50.0% | A/A |
| 2020 · Presidential | 34,046 | 50,582 | 67.3% | A/A |
| 2022 · Midterm | 25,337 | 50,568 | 50.1% | C/A |
| 2024 · Presidential | 32,031 | 49,879 | 64.2% | 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 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 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
154 precincts · 32,032 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -LIBERTYLIBERTY | 101 | 661 | 12 | 774 | 13.0% | 85.4% | R+72.4 |
|---|---|---|---|---|---|---|---|
| Precinct -QUINCY 24QUINCY 24 | 154 | 572 | 27 | 753 | 20.5% | 76.0% | R+55.5 |
| Precinct -QUINCY 25QUINCY 25 | 231 | 486 | 15 | 732 | 31.6% | 66.4% | R+34.8 |
| Precinct -MELROSE 2MELROSE 2 | 151 | 569 | 9 | 729 | 20.7% | 78.1% | R+57.3 |
| Precinct -QUINCY 16QUINCY 16 | 258 | 393 | 23 | 674 | 38.3% | 58.3% | R+20.0 |
| Precinct -GILMERGILMER | 97 | 555 | 12 | 664 | 14.6% | 83.6% | R+69.0 |
| Precinct -QUINCY 27QUINCY 27 | 198 | 409 | 8 | 615 | 32.2% | 66.5% | R+34.3 |
| Precinct -ELLINGTON 2ELLINGTON 2 | 130 | 457 | 16 | 603 | 21.6% | 75.8% | R+54.2 |
| Precinct -URSAURSA | 83 | 508 | 11 | 602 | 13.8% | 84.4% | R+70.6 |
| Precinct -ELLINGTON 1ELLINGTON 1 | 107 | 477 | 10 | 594 | 18.0% | 80.3% | R+62.3 |
| Precinct -QUINCY 18QUINCY 18 | 169 | 409 | 9 | 587 | 28.8% | 69.7% | R+40.9 |
| Precinct -QUINCY 31QUINCY 31 | 173 | 395 | 14 | 582 | 29.7% | 67.9% | R+38.1 |
| Precinct -QUINCY 28QUINCY 28 | 182 | 386 | 11 | 579 | 31.4% | 66.7% | R+35.2 |
| Precinct -PAYSON 1PAYSON 1 | 104 | 463 | 10 | 577 | 18.0% | 80.2% | R+62.2 |
| Precinct -QUINCY 21QUINCY 21 | 208 | 348 | 18 | 574 | 36.2% | 60.6% | R+24.4 |
| Precinct -RIVERSIDE 3RIVERSIDE 3 | 115 | 443 | 15 | 573 | 20.1% | 77.3% | R+57.2 |
| Precinct -QUINCY 15QUINCY 15 | 172 | 380 | 18 | 570 | 30.2% | 66.7% | R+36.5 |
| Precinct -QUINCY 29QUINCY 29 | 189 | 360 | 13 | 562 | 33.6% | 64.1% | R+30.4 |
| Precinct -MELROSE 1MELROSE 1 | 88 | 463 | 9 | 560 | 15.7% | 82.7% | R+67.0 |
| Precinct -QUINCY 09QUINCY 09 | 143 | 397 | 10 | 550 | 26.0% | 72.2% | R+46.2 |
| Precinct -BURTONBURTON | 65 | 463 | 3 | 531 | 12.2% | 87.2% | R+75.0 |
| Precinct -MELROSE 6MELROSE 6 | 115 | 399 | 12 | 526 | 21.9% | 75.9% | R+54.0 |
| Precinct -QUINCY 32QUINCY 32 | 149 | 358 | 18 | 525 | 28.4% | 68.2% | R+39.8 |
| Precinct -QUINCY 26QUINCY 26 | 145 | 361 | 16 | 522 | 27.8% | 69.2% | R+41.4 |
| Precinct -QUINCY 20QUINCY 20 | 209 | 280 | 20 | 509 | 41.1% | 55.0% | R+13.9 |
| Precinct -MELROSE 3MELROSE 3 | 130 | 362 | 12 | 504 | 25.8% | 71.8% | R+46.0 |
| Precinct -CAMP POINT 2CAMP POINT 2 | 49 | 431 | 4 | 484 | 10.1% | 89.0% | R+78.9 |
| Precinct -QUINCY 04QUINCY 04 | 140 | 320 | 19 | 479 | 29.2% | 66.8% | R+37.6 |
| Precinct -QUINCY 17QUINCY 17 | 169 | 293 | 17 | 479 | 35.3% | 61.2% | R+25.9 |
| Precinct -QUINCY 33QUINCY 33 | 157 | 303 | 15 | 475 | 33.1% | 63.8% | R+30.7 |
| Precinct -QUINCY 35QUINCY 35 | 136 | 327 | 10 | 473 | 28.8% | 69.1% | R+40.4 |
| Precinct -QUINCY 01QUINCY 01 | 152 | 299 | 14 | 465 | 32.7% | 64.3% | R+31.6 |
| Precinct -RIVERSIDE 1RIVERSIDE 1 | 101 | 349 | 15 | 465 | 21.7% | 75.1% | R+53.3 |
| Precinct -CLAYTONCLAYTON | 75 | 378 | 8 | 461 | 16.3% | 82.0% | R+65.7 |
| Precinct -MELROSE 5MELROSE 5 | 101 | 346 | 13 | 460 | 22.0% | 75.2% | R+53.3 |
| Precinct -ELLINGTON 3ELLINGTON 3 | 100 | 349 | 7 | 456 | 21.9% | 76.5% | R+54.6 |
| Precinct -NORTHEASTNORTHEAST | 61 | 377 | 13 | 451 | 13.5% | 83.6% | R+70.1 |
| Precinct -MELROSE 4MELROSE 4 | 99 | 331 | 10 | 440 | 22.5% | 75.2% | R+52.7 |
| Precinct -HONEY CREEKHONEY CREEK | 65 | 350 | 7 | 422 | 15.4% | 82.9% | R+67.5 |
| Precinct -CAMP POINT 1CAMP POINT 1 | 54 | 357 | 7 | 418 | 12.9% | 85.4% | R+72.5 |
| Precinct -MENDON 2MENDON 2 | 68 | 339 | 6 | 413 | 16.5% | 82.1% | R+65.6 |
| Precinct -QUINCY 23QUINCY 23 | 128 | 275 | 10 | 413 | 31.0% | 66.6% | R+35.6 |
| Precinct -QUINCY 11QUINCY 11 | 116 | 274 | 13 | 403 | 28.8% | 68.0% | R+39.2 |
| Precinct -QUINCY 08QUINCY 08 | 122 | 261 | 9 | 392 | 31.1% | 66.6% | R+35.5 |
| Precinct -RIVERSIDE 2RIVERSIDE 2 | 81 | 302 | 8 | 391 | 20.7% | 77.2% | R+56.5 |
| Precinct -QUINCY 12QUINCY 12 | 120 | 265 | 5 | 390 | 30.8% | 67.9% | R+37.2 |
| Precinct -COLUMBUSCOLUMBUS | 33 | 339 | 8 | 380 | 8.7% | 89.2% | R+80.5 |
| Precinct -QUINCY 03QUINCY 03 | 140 | 221 | 13 | 374 | 37.4% | 59.1% | R+21.7 |
| Precinct -QUINCY 30QUINCY 30 | 105 | 248 | 15 | 368 | 28.5% | 67.4% | R+38.9 |
| Precinct -QUINCY 37QUINCY 37 | 140 | 220 | 8 | 368 | 38.0% | 59.8% | R+21.7 |
| Precinct -MENDON 1MENDON 1 | 39 | 322 | 6 | 367 | 10.6% | 87.7% | R+77.1 |
| Precinct -QUINCY 02QUINCY 02 | 116 | 232 | 18 | 366 | 31.7% | 63.4% | R+31.7 |
| Precinct -QUINCY 34QUINCY 34 | 116 | 226 | 12 | 354 | 32.8% | 63.8% | R+31.1 |
| Precinct -QUINCY 22QUINCY 22 | 125 | 209 | 14 | 348 | 35.9% | 60.1% | R+24.1 |
| Precinct -QUINCY 38QUINCY 38 | 105 | 229 | 10 | 344 | 30.5% | 66.6% | R+36.0 |
| Precinct -FALL CREEKFALL CREEK | 50 | 277 | 4 | 331 | 15.1% | 83.7% | R+68.6 |
| Precinct -PAYSON 2PAYSON 2 | 44 | 270 | 6 | 320 | 13.8% | 84.4% | R+70.6 |
| Precinct -QUINCY 13QUINCY 13 | 91 | 221 | 7 | 319 | 28.5% | 69.3% | R+40.8 |
| Precinct -QUINCY 14QUINCY 14 | 124 | 186 | 8 | 318 | 39.0% | 58.5% | R+19.5 |
| Precinct -KEENEKEENE | 46 | 263 | 6 | 315 | 14.6% | 83.5% | R+68.9 |
| Precinct -QUINCY 39QUINCY 39 | 126 | 175 | 11 | 312 | 40.4% | 56.1% | R+15.7 |
| Precinct -LIMALIMA | 38 | 243 | 6 | 287 | 13.2% | 84.7% | R+71.4 |
| Precinct -QUINCY 40QUINCY 40 | 130 | 148 | 5 | 283 | 45.9% | 52.3% | R+6.4 |
| Precinct -QUINCY 05QUINCY 05 | 120 | 133 | 3 | 256 | 46.9% | 52.0% | R+5.1 |
| Precinct -QUINCY 10QUINCY 10 | 94 | 147 | 15 | 256 | 36.7% | 57.4% | R+20.7 |
| Precinct -RICHFIELDRICHFIELD | 19 | 216 | 3 | 238 | 8.0% | 90.8% | R+82.8 |
| Precinct -QUINCY 36QUINCY 36 | 78 | 120 | 8 | 206 | 37.9% | 58.3% | R+20.4 |
| Precinct -BEVERLYBEVERLY | 28 | 151 | 1 | 180 | 15.6% | 83.9% | R+68.3 |
| Precinct -QUINCY 19QUINCY 19 | 60 | 74 | 4 | 138 | 43.5% | 53.6% | R+10.1 |
| Precinct -HOUSTONHOUSTON | 17 | 112 | 1 | 130 | 13.1% | 86.2% | R+73.1 |
| Precinct -QUINCY 07QUINCY 07 | 83 | 41 | 2 | 126 | 65.9% | 32.5% | D+33.3 |
| Precinct -QUINCY 06QUINCY 06 | 54 | 64 | 4 | 122 | 44.3% | 52.5% | R+8.2 |
| Precinct -MCKEEMCKEE | 7 | 112 | 0 | 119 | 5.9% | 94.1% | R+88.2 |
| Precinct -CONCORDCONCORD | 23 | 82 | 1 | 106 | 21.7% | 77.4% | R+55.7 |
| BEVERLY 1 Voting District17_1700112001 | 0 | 0 | 0 | 0 | — | — | No votes |
| BURTON 1 Voting District17_1700117001 | 0 | 0 | 0 | 0 | — | — | No votes |
| CAMP POINT 1 Voting District17_1700103001 | 0 | 0 | 0 | 0 | — | — | No votes |
| CAMP POINT 2 Voting District17_1700103002 | 0 | 0 | 0 | 0 | — | — | No votes |
| CLAYTON 1 Voting District17_1700101001 | 0 | 0 | 0 | 0 | — | — | No votes |
| COLUMBUS 1 Voting District17_1700113001 | 0 | 0 | 0 | 0 | — | — | No votes |
| CONCORD 1 Voting District17_1700110001 | 0 | 0 | 0 | 0 | — | — | No votes |
| ELLINGTON 1 Voting District17_1700119001 | 0 | 0 | 0 | 0 | — | — | No votes |
| ELLINGTON 2 Voting District17_1700119002 | 0 | 0 | 0 | 0 | — | — | No votes |
| ELLINGTON 3 Voting District17_1700119003 | 0 | 0 | 0 | 0 | — | — | No votes |
| FALL CREEK 1 Voting District17_1700121001 | 0 | 0 | 0 | 0 | — | — | No votes |
| GILMER 1 Voting District17_1700116001 | 0 | 0 | 0 | 0 | — | — | No votes |
| HONEY CREEK 1 Voting District17_1700105001 | 0 | 0 | 0 | 0 | — | — | No votes |
| HOUSTON 1 Voting District17_1700104001 | 0 | 0 | 0 | 0 | — | — | No votes |
| KEENE 1 Voting District17_1700106001 | 0 | 0 | 0 | 0 | — | — | No votes |
| LIBERTY 1 Voting District17_1700114001 | 0 | 0 | 0 | 0 | — | — | No votes |
| LIMA 1 Voting District17_1700108001 | 0 | 0 | 0 | 0 | — | — | No votes |
| MCKEE 1 Voting District17_1700111001 | 0 | 0 | 0 | 0 | — | — | No votes |
| MELROSE 1 Voting District17_1700120001 | 0 | 0 | 0 | 0 | — | — | No votes |
| MELROSE 2 Voting District17_1700120002 | 0 | 0 | 0 | 0 | — | — | No votes |
| MELROSE 3 Voting District17_1700120003 | 0 | 0 | 0 | 0 | — | — | No votes |
| MELROSE 4 Voting District17_1700120004 | 0 | 0 | 0 | 0 | — | — | No votes |
| MELROSE 5 Voting District17_1700120005 | 0 | 0 | 0 | 0 | — | — | No votes |
| MELROSE 6 Voting District17_1700120006 | 0 | 0 | 0 | 0 | — | — | No votes |
| MENDON 1 Voting District17_1700107001 | 0 | 0 | 0 | 0 | — | — | No votes |
| MENDON 2 Voting District17_1700107002 | 0 | 0 | 0 | 0 | — | — | No votes |
| NORTHEAST 1 Voting District17_1700102001 | 0 | 0 | 0 | 0 | — | — | No votes |
| PAYSON 1 Voting District17_1700118001 | 0 | 0 | 0 | 0 | — | — | No votes |
| PAYSON 2 Voting District17_1700118002 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 1 Voting District17_1700123001 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 10 Voting District17_1700123010 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 11 Voting District17_1700123011 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 12 Voting District17_1700123012 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 13 Voting District17_1700123013 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 14 Voting District17_1700123014 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 15 Voting District17_1700123015 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 16 Voting District17_1700123016 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 17 Voting District17_1700123017 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 18 Voting District17_1700123018 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 19 Voting District17_1700123019 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 2 Voting District17_1700123002 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 20 Voting District17_1700123020 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 21 Voting District17_1700123021 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 22 Voting District17_1700123022 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 23 Voting District17_1700123023 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 24 Voting District17_1700123024 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 25 Voting District17_1700123025 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 26 Voting District17_1700123026 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 27 Voting District17_1700123027 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 28 Voting District17_1700123028 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 29 Voting District17_1700123029 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 3 Voting District17_1700123003 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 30 Voting District17_1700123030 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 31 Voting District17_1700123031 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 32 Voting District17_1700123032 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 33 Voting District17_1700123033 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 34 Voting District17_1700123034 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 35 Voting District17_1700123035 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 36 Voting District17_1700123036 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 37 Voting District17_1700123037 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 38 Voting District17_1700123038 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 39 Voting District17_1700123039 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 4 Voting District17_1700123004 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 40 Voting District17_1700123040 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 41 Voting District17_1700123041 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 42 Voting District17_1700123042 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 43 Voting District17_1700123043 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 44 Voting District17_1700123044 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 45 Voting District17_1700123045 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 46 Voting District17_1700123046 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 5 Voting District17_1700123005 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 6 Voting District17_1700123006 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 7 Voting District17_1700123007 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 8 Voting District17_1700123008 | 0 | 0 | 0 | 0 | — | — | No votes |
| QUINCY 9 Voting District17_1700123009 | 0 | 0 | 0 | 0 | — | — | No votes |
| RICHFIELD 1 Voting District17_1700115001 | 0 | 0 | 0 | 0 | — | — | No votes |
| RIVERSIDE 1 Voting District17_1700122001 | 0 | 0 | 0 | 0 | — | — | No votes |
| RIVERSIDE 2 Voting District17_1700122002 | 0 | 0 | 0 | 0 | — | — | No votes |
| RIVERSIDE 3 Voting District17_1700122003 | 0 | 0 | 0 | 0 | — | — | No votes |
| URSA 1 Voting District17_1700109001 | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +11.5% |
| 1896 | −2.5% |
| 1900 | +4.6% |
| 1904 | −7.6% |
| 1908 | +6.5% |
| 1912 | +29.6% |
| 1916 | +9.0% |
| 1920 | −25.0% |
| 1924 | −5.6% |
| 1928 | −8.2% |
| 1932 | +34.6% |
| 1936 | +17.2% |
| 1940 | −3.1% |
| 1944 | −6.2% |
| 1948 | +2.1% |
| 1952 | −19.3% |
| 1956 | −26.3% |
| 1960 | −11.5% |
| 1964 | +13.4% |
| 1968 | −18.4% |
| 1972 | −39.1% |
| 1976 | −20.5% |
| 1980 | −28.9% |
| 1984 | −32.3% |
| 1988 | −6.9% |
| 1992 | −5.6% |
| 1996 | −8.8% |
| 2000 | −17.1% |
| 2004 | −32.8% |
| 2008 | −22.4% |
| 2012 | −35.1% |
| 2016 | −46.8% |
| 2020 | −46.5% |
| 2024 | −47.4% |
DemocraticRepublican
Federal and statewide elections · 3 House · 37 Senate · 3 Senate special · 13 governor
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.
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 52,201 |
| 2018 | 47,811 |
| 2020 | 48,805 |
| 2022 | 43,037 |
| 2024 | 49,421 |
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+117 net domestic migration · 2025
20112025
Net −2,829 over 2011–2025 · gain loss
Arrivals reported $61,408 in average income, against $82,128 for residents who stayed — 25% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+48.2 on average — about the same lean as Adams County, IL (R+47.4).
Where arrivals came from lean of each source
- Marion County, MO81R+52.9
- Pike County, IL58R+63.7
- Lewis County, MO52R+60.0
- Hancock County, IL43R+49.9
- Brown County, IL32R+59.9
- Lee County, IA22R+27.7
Where departures went households, 2022–23
- Marion County, MO81
- Pike County, IL47
- Lewis County, MO45
- Hancock County, IL35
- St. Louis County, MO31
- Boone County, MO27
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 |
| 2012 | −86 |
| 2013 | −189 |
| 2014 | −166 |
| 2015 | −156 |
| 2016 | −418 |
| 2017 | −490 |
| 2018 | −390 |
| 2019 | −131 |
| 2021 | −345 |
| 2022 | −324 |
| 2023 | +24 |
| 2024 | −273 |
| 2025 | +117 |
Adams County, anchored by Quincy on the Mississippi River, has shifted steadily rightward over two decades — its 2024 presidential margin of R+47.4 places it among the state's most lopsided counties despite a mid-sized urban core.
Across the recorded series it reached a Democratic high of 34.6 points in 1932 and a Republican high of 47.4 points in 2024. Between 2020 and 2024 the county moved 0.9 points toward the Republican candidate; the 2024 margin was 47.4 points.
A population of 64,754, a 90% non-Hispanic-white share, and a median household income of $66,220 describe the county. The county's voting pattern over the last decade is most similar to that of Douglas County and Hutchinson County.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Douglas County
Illinois
78.4twin score
elasticity2004–2016 trajectory
Hutchinson County
South Dakota
77.3twin score
% unaffiliated% Whiteelasticity≠ population scale
Adams County
Indiana
77.0twin score
% unaffiliatedelasticity% White≠ median age
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.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Adams County, Illinois. Akashic. https://akashic.app/county/17001/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Adams County
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Frequently asked questions
How did Adams County, Illinois vote in 2024?
In 2024, Adams County, Illinois voted Republican by 47.4 points (R+47.4), carried by the Republican candidate. Out of 31,766 votes cast, 8,111 went Democratic and 23,161 went Republican.
When did Adams County, Illinois last vote Democratic?
The most recent presidential election in which Adams County, Illinois voted Democratic was 1964.
How many people live in Adams County, Illinois?
Adams County, Illinois has a population of 64,754 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Adams County, Illinois?
Median household income in Adams County, Illinois is $66,220 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Adams County, Illinois?
Akashic tracks 38 presidential elections in Adams County, Illinois from 1876 to 2024. Of those, 9 went Democratic and 25 went Republican.