- Lead
- 2,085
- Total
- 12,414
- vs nation
- R+15.3
- Turnout
- 70.1%
Jo Daviess County, IL
President margin by year
Place winner margin
President results by year
2024 turnout 70.1% of 17,721 citizens 18+
- Lead
- 2,057
- Total
- 12,525
- vs nation
- R+20.9
- Turnout
- 77.6%
- Lead
- 1,659
- Total
- 11,334
- vs nation
- R+16.7
- Turnout
- 64.4%
- Lead
- 133
- Total
- 11,429
- vs nation
- R+2.7
- Turnout
- —
- Lead
- 1,233
- Total
- 11,750
- vs nation
- D+3.2
- Turnout
- —
- Lead
- 863
- Total
- 11,584
- vs nation
- R+5.0
- Turnout
- —
- Lead
- 719
- Total
- 10,322
- vs nation
- R+7.5
- Turnout
- —
- Lead
- 256
- Total
- 9,306
- vs nation
- R+5.8
- Turnout
- —
Key facts
- 2024 presidential margin
- R+16.8MIT Election Lab
- Population
- 21,8512024 5-year
- Median household income
- $73,9932024 5-year
- White (non-Hispanic)
- 91.9%2024 5-year
- Black
- 0.8%2024 5-year
- Hispanic / Latino
- 4.2%2024 5-year
- Peak Democratic margin
- D+18.2 in 1912MIT Election Lab
- Peak Republican margin
- R+56.2 in 1920MIT Election Lab
- Most similar
- Oneida County, WI · twin score 87.1
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
- 70.1%12,414 participants ÷ 17,721 CVAP
- 2020→2022 drop-off
- +23.4 ptsPresidential-dependent
- Drop-off versus state
- +1.3 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 46.7%–53.4%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 11,334 | 17,602 | 64.4% | C/A |
| 2018 · Midterm | 9,459 | 17,391 | 54.4% | A/A |
| 2020 · Presidential | 13,288 | 17,128 | 77.6% | A/A |
| 2022 · Midterm | 9,640 | 17,789 | 54.2% | C/A |
| 2024 · Presidential | 12,414 | 17,721 | 70.1% | C/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 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 156/228.
Precinct data
Results by precinct
57 precincts · 12,458 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -GUILFORDGUILFORD | 643 | 589 | 32 | 1,264 | 50.9% | 46.6% | D+4.3 |
|---|---|---|---|---|---|---|---|
| Precinct -EAST GALENAEAST GALENA | 494 | 402 | 20 | 916 | 53.9% | 43.9% | D+10.0 |
| Precinct -WEST GALENA 1WEST GALENA 1 | 383 | 325 | 33 | 741 | 51.7% | 43.9% | D+7.8 |
| Precinct -DUNLEITH 3DUNLEITH 3 | 262 | 438 | 11 | 711 | 36.8% | 61.6% | R+24.8 |
| Precinct -WARRENWARREN | 215 | 462 | 19 | 696 | 30.9% | 66.4% | R+35.5 |
| Precinct -STOCKTON 2STOCKTON 2 | 222 | 422 | 25 | 669 | 33.2% | 63.1% | R+29.9 |
| Precinct -DUNLEITH 1DUNLEITH 1 | 237 | 361 | 22 | 620 | 38.2% | 58.2% | R+20.0 |
| Precinct -THOMPSONTHOMPSON | 224 | 365 | 18 | 607 | 36.9% | 60.1% | R+23.2 |
| Precinct -MENOMINEEMENOMINEE | 198 | 384 | 17 | 599 | 33.1% | 64.1% | R+31.1 |
| Precinct -ELIZABETHELIZABETH | 212 | 355 | 23 | 590 | 35.9% | 60.2% | R+24.2 |
| Precinct -HANOVERHANOVER | 216 | 313 | 14 | 543 | 39.8% | 57.6% | R+17.9 |
| Precinct -WEST GALENA 3WEST GALENA 3 | 286 | 242 | 12 | 540 | 53.0% | 44.8% | D+8.1 |
| Precinct -STOCKTON 1STOCKTON 1 | 154 | 353 | 13 | 520 | 29.6% | 67.9% | R+38.3 |
| Precinct -DUNLEITH 2DUNLEITH 2 | 194 | 246 | 9 | 449 | 43.2% | 54.8% | R+11.6 |
| Precinct -WEST GALENA 2WEST GALENA 2 | 245 | 163 | 14 | 422 | 58.1% | 38.6% | D+19.4 |
| Precinct -RAWLINSRAWLINS | 141 | 188 | 7 | 336 | 42.0% | 56.0% | R+14.0 |
| Precinct -SCALES MOUNDSCALES MOUND | 131 | 193 | 8 | 332 | 39.5% | 58.1% | R+18.7 |
| Precinct -WOODBINEWOODBINE | 95 | 213 | 12 | 320 | 29.7% | 66.6% | R+36.9 |
| Precinct -RUSHRUSH | 48 | 190 | 0 | 238 | 20.2% | 79.8% | R+59.7 |
| Precinct -VINEGAR HILLVINEGAR HILL | 69 | 141 | 8 | 218 | 31.7% | 64.7% | R+33.0 |
| Precinct -RICERICE | 100 | 110 | 7 | 217 | 46.1% | 50.7% | R+4.6 |
| Precinct -APPLE RIVERAPPLE RIVER | 68 | 133 | 10 | 211 | 32.2% | 63.0% | R+30.8 |
| Precinct -NORANORA | 49 | 130 | 7 | 186 | 26.3% | 69.9% | R+43.5 |
| Precinct -DERINDADERINDA | 49 | 111 | 2 | 162 | 30.2% | 68.5% | R+38.3 |
| Precinct -PLEASANT VALLEYPLEASANT VALLEY | 44 | 89 | 4 | 137 | 32.1% | 65.0% | R+32.8 |
| Precinct -WARDS GROVEWARDS GROVE | 28 | 105 | 0 | 133 | 21.1% | 78.9% | R+57.9 |
| Precinct -BERREMANBERREMAN | 21 | 57 | 3 | 81 | 25.9% | 70.4% | R+44.4 |
| APPLE RIVER Voting District17_1708500101 | 0 | 0 | 0 | 0 | — | — | No votes |
| BERREMAN Voting District17_1708500201 | 0 | 0 | 0 | 0 | — | — | No votes |
| COUNCIL HILL Voting District17_1708500301 | 0 | 0 | 0 | 0 | — | — | No votes |
| DERINDA Voting District17_1708500401 | 0 | 0 | 0 | 0 | — | — | No votes |
| DUNLEITH I Voting District17_1708500501 | 0 | 0 | 0 | 0 | — | — | No votes |
| DUNLEITH II Voting District17_1708500502 | 0 | 0 | 0 | 0 | — | — | No votes |
| DUNLEITH III Voting District17_1708500503 | 0 | 0 | 0 | 0 | — | — | No votes |
| EAST GALENA Voting District17_1708500601 | 0 | 0 | 0 | 0 | — | — | No votes |
| ELIZABETH Voting District17_1708500701 | 0 | 0 | 0 | 0 | — | — | No votes |
| GUILFORD Voting District17_1708500801 | 0 | 0 | 0 | 0 | — | — | No votes |
| HANOVER Voting District17_1708500901 | 0 | 0 | 0 | 0 | — | — | No votes |
| MENOMINEE Voting District17_1708501001 | 0 | 0 | 0 | 0 | — | — | No votes |
| NORA Voting District17_1708501101 | 0 | 0 | 0 | 0 | — | — | No votes |
| PLEASANT VALLEY Voting District17_1708501201 | 0 | 0 | 0 | 0 | — | — | No votes |
| Precinct -WARD HILLWARD HILL | 0 | 0 | 0 | 0 | — | — | No votes |
| RAWLINS Voting District17_1708501301 | 0 | 0 | 0 | 0 | — | — | No votes |
| RICE Voting District17_1708501401 | 0 | 0 | 0 | 0 | — | — | No votes |
| RUSH Voting District17_1708501501 | 0 | 0 | 0 | 0 | — | — | No votes |
| SCALES MOUND Voting District17_1708501601 | 0 | 0 | 0 | 0 | — | — | No votes |
| STOCKTON I Voting District17_1708501701 | 0 | 0 | 0 | 0 | — | — | No votes |
| STOCKTON II Voting District17_1708501702 | 0 | 0 | 0 | 0 | — | — | No votes |
| THOMPSON Voting District17_1708501801 | 0 | 0 | 0 | 0 | — | — | No votes |
| VINEGAR HILL Voting District17_1708501901 | 0 | 0 | 0 | 0 | — | — | No votes |
| WARDS GROVE Voting District17_1708502001 | 0 | 0 | 0 | 0 | — | — | No votes |
| WARREN I Voting District17_1708502101 | 0 | 0 | 0 | 0 | — | — | No votes |
| WARREN II Voting District17_1708502102 | 0 | 0 | 0 | 0 | — | — | No votes |
| WEST GALENA I Voting District17_1708502201 | 0 | 0 | 0 | 0 | — | — | No votes |
| WEST GALENA II Voting District17_1708502202 | 0 | 0 | 0 | 0 | — | — | No votes |
| WEST GALENA III Voting District17_1708502203 | 0 | 0 | 0 | 0 | — | — | No votes |
| WOODBINE Voting District17_1708502301 | 0 | 0 | 0 | 0 | — | — | No votes |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +2.0% |
| 1896 | −19.5% |
| 1900 | −14.7% |
| 1904 | −33.3% |
| 1908 | −14.3% |
| 1912 | +18.2% |
| 1916 | −23.6% |
| 1920 | −56.2% |
| 1924 | −35.1% |
| 1928 | −24.1% |
| 1932 | +9.6% |
| 1936 | −4.9% |
| 1940 | −30.6% |
| 1944 | −32.3% |
| 1948 | −24.3% |
| 1952 | −42.7% |
| 1956 | −39.8% |
| 1960 | −17.5% |
| 1964 | +2.2% |
| 1968 | −24.8% |
| 1972 | −26.9% |
| 1976 | −15.6% |
| 1980 | −28.0% |
| 1984 | −27.2% |
| 1988 | −8.6% |
| 1992 | −2.0% |
| 1996 | +2.8% |
| 2000 | −7.0% |
| 2004 | −7.4% |
| 2008 | +10.5% |
| 2012 | +1.2% |
| 2016 | −14.6% |
| 2020 | −16.4% |
| 2024 | −16.8% |
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 | 17,124 |
| 2018 | 17,096 |
| 2020 | 17,191 |
| 2022 | 16,801 |
| 2024 | 16,644 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+19 net domestic migration · 2025
Net −796 over 2011–2025 · gain loss
Arrivals reported $71,977 in average income, against $81,358 for residents who stayed — 12% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+0.4 on average — 16 points more Democratic-leaning than Jo Daviess County, IL itself (R+16.8).
Where arrivals came from lean of each source
- Dubuque County, IA90R+8.6
- Cook County, IL46D+41.6
- Stephenson County, IL34R+19.4
- Grant County, WI31R+18.1
Where departures went households, 2022–23
- Dubuque County, IA118
- Grant County, WI39
- Stephenson County, IL33
- Cook County, IL28
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 | +32 |
| 2012 | −90 |
| 2013 | −101 |
| 2014 | +24 |
| 2015 | −204 |
| 2016 | −178 |
| 2017 | −212 |
| 2018 | −88 |
| 2019 | −8 |
| 2021 | +35 |
| 2022 | 0 |
| 2023 | +41 |
| 2024 | −66 |
| 2025 | +19 |
Jo Daviess County, Illinois's northwestern corner, has shifted steadily toward Republican margins over the past two decades, posting R+16.8 in 2024 despite a modest population of roughly 22,000 spread across river towns and farmland.
Across the recorded series it reached a Democratic high of 18.2 points in 1912 and a Republican high of 56.2 points in 1920. The 2024 margin was 16.8 points.
A population of 21,851, a 92% non-Hispanic-white share, and a median household income of $73,993 describe the county. The county's voting pattern over the last decade is most similar to that of Oneida County and Ottawa 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 →
Jo Daviess County, Illinois. Akashic. https://akashic.app/county/17085/. Accessed May 20, 2026. License: CC BY 4.0.