Henry County, Illinois
Precinct data
Results by precinct
104 precincts · 25,346 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -COLONA 1COLONA 1 | 423 | 642 | 32 | 1,097 | 38.6% | 58.5% | R+20.0 |
|---|---|---|---|---|---|---|---|
| Precinct -GENESEO 4GENESEO 4 | 365 | 619 | 43 | 1,027 | 35.5% | 60.3% | R+24.7 |
| Precinct -PHENIXPHENIX | 341 | 649 | 25 | 1,015 | 33.6% | 63.9% | R+30.3 |
| Precinct -GENESEO 1GENESEO 1 | 374 | 493 | 29 | 896 | 41.7% | 55.0% | R+13.3 |
| Precinct -COLONA 5COLONA 5 | 363 | 470 | 15 | 848 | 42.8% | 55.4% | R+12.6 |
| Precinct -GENESEO 5GENESEO 5 | 353 | 438 | 18 | 809 | 43.6% | 54.1% | R+10.5 |
| Precinct -HANNA 1HANNA 1 | 244 | 510 | 17 | 771 | 31.6% | 66.1% | R+34.5 |
| Precinct -GENESEO 2GENESEO 2 | 264 | 415 | 28 | 707 | 37.3% | 58.7% | R+21.4 |
| Precinct -HANNA 2HANNA 2 | 226 | 453 | 20 | 699 | 32.3% | 64.8% | R+32.5 |
| Precinct -OXFORDOXFORD | 219 | 457 | 19 | 695 | 31.5% | 65.8% | R+34.2 |
| Precinct -WESTERN 3WESTERN 3 | 189 | 472 | 18 | 679 | 27.8% | 69.5% | R+41.7 |
| Precinct -GENESEO 6GENESEO 6 | 189 | 436 | 33 | 658 | 28.7% | 66.3% | R+37.5 |
| Precinct -ATKINSONATKINSON | 249 | 364 | 22 | 635 | 39.2% | 57.3% | R+18.1 |
| Precinct -CAMBRIDGE 1CAMBRIDGE 1 | 192 | 421 | 18 | 631 | 30.4% | 66.7% | R+36.3 |
| Precinct -COLONA 2COLONA 2 | 242 | 372 | 15 | 629 | 38.5% | 59.1% | R+20.7 |
| Precinct -ANNAWANANNAWAN | 227 | 370 | 16 | 613 | 37.0% | 60.4% | R+23.3 |
| Precinct -CAMBRIDGE 2CAMBRIDGE 2 | 169 | 382 | 26 | 577 | 29.3% | 66.2% | R+36.9 |
| Precinct -WESTERN 1WESTERN 1 | 215 | 336 | 11 | 562 | 38.3% | 59.8% | R+21.5 |
| Precinct -WETHERSFIELD 2WETHERSFIELD 2 | 218 | 320 | 11 | 549 | 39.7% | 58.3% | R+18.6 |
| Precinct -WETHERSFIELD 4WETHERSFIELD 4 | 238 | 288 | 13 | 539 | 44.2% | 53.4% | R+9.3 |
| Precinct -ANDOVERANDOVER | 165 | 359 | 7 | 531 | 31.1% | 67.6% | R+36.5 |
| Precinct -GALVA 3GALVA 3 | 213 | 291 | 19 | 523 | 40.7% | 55.6% | R+14.9 |
| Precinct -WETHERSFIELD 1WETHERSFIELD 1 | 198 | 295 | 11 | 504 | 39.3% | 58.5% | R+19.2 |
| Precinct -COLONA 4COLONA 4 | 187 | 282 | 17 | 486 | 38.5% | 58.0% | R+19.5 |
| Precinct -GALVA 1GALVA 1 | 140 | 332 | 12 | 484 | 28.9% | 68.6% | R+39.7 |
| Precinct -GENESEO 3GENESEO 3 | 177 | 263 | 19 | 459 | 38.6% | 57.3% | R+18.7 |
| Precinct -CLOVERCLOVER | 141 | 299 | 18 | 458 | 30.8% | 65.3% | R+34.5 |
| Precinct -COLONA 3COLONA 3 | 164 | 274 | 8 | 446 | 36.8% | 61.4% | R+24.7 |
| Precinct -LYNNLYNN | 133 | 299 | 11 | 443 | 30.0% | 67.5% | R+37.5 |
| Precinct -WESTERN 2WESTERN 2 | 180 | 241 | 17 | 438 | 41.1% | 55.0% | R+13.9 |
| Precinct -EDFORDEDFORD | 118 | 281 | 15 | 414 | 28.5% | 67.9% | R+39.4 |
| Precinct -KEWANEE 03KEWANEE 03 | 167 | 222 | 6 | 395 | 42.3% | 56.2% | R+13.9 |
| Precinct -KEWANEE 02KEWANEE 02 | 149 | 220 | 11 | 380 | 39.2% | 57.9% | R+18.7 |
| Precinct -KEWANEE 08KEWANEE 08 | 184 | 175 | 11 | 370 | 49.7% | 47.3% | D+2.4 |
| Precinct -KEWANEE 11KEWANEE 11 | 166 | 170 | 17 | 353 | 47.0% | 48.2% | R+1.1 |
| Precinct -WETHERSFIELD 3WETHERSFIELD 3 | 151 | 183 | 11 | 345 | 43.8% | 53.0% | R+9.3 |
| Precinct -KEWANEE 10KEWANEE 10 | 160 | 164 | 8 | 332 | 48.2% | 49.4% | R+1.2 |
| Precinct -KEWANEE 09KEWANEE 09 | 138 | 148 | 16 | 302 | 45.7% | 49.0% | R+3.3 |
| Precinct -KEWANEE 07KEWANEE 07 | 126 | 148 | 10 | 284 | 44.4% | 52.1% | R+7.7 |
| Precinct -KEWANEE 01KEWANEE 01 | 105 | 165 | 10 | 280 | 37.5% | 58.9% | R+21.4 |
| Precinct -GALVA 2GALVA 2 | 106 | 164 | 9 | 279 | 38.0% | 58.8% | R+20.8 |
| Precinct -WELLERWELLER | 88 | 170 | 5 | 263 | 33.5% | 64.6% | R+31.2 |
| Precinct -OSCOOSCO | 67 | 179 | 13 | 259 | 25.9% | 69.1% | R+43.2 |
| Precinct -KEWANEE 06KEWANEE 06 | 121 | 129 | 5 | 255 | 47.5% | 50.6% | R+3.1 |
| Precinct -KEWANEE 04KEWANEE 04 | 112 | 102 | 7 | 221 | 50.7% | 46.2% | D+4.5 |
| Precinct -MUNSONMUNSON | 46 | 156 | 15 | 217 | 21.2% | 71.9% | R+50.7 |
| Precinct -YORKTOWNYORKTOWN | 44 | 147 | 7 | 198 | 22.2% | 74.2% | R+52.0 |
| Precinct -LORAINELORAINE | 43 | 131 | 3 | 177 | 24.3% | 74.0% | R+49.7 |
| Precinct -BURNSBURNS | 25 | 144 | 5 | 174 | 14.4% | 82.8% | R+68.4 |
| Precinct -CORNWALLCORNWALL | 28 | 134 | 3 | 165 | 17.0% | 81.2% | R+64.2 |
| Precinct -KEWANEE 05KEWANEE 05 | 61 | 94 | 4 | 159 | 38.4% | 59.1% | R+20.8 |
| Precinct -ALBAALBA | 23 | 91 | 2 | 116 | 19.8% | 78.4% | R+58.6 |
| ALBA Voting District17_1707301001 | 0 | 0 | 0 | 0 | — | — | Even |
| ANDOVER Voting District17_1707301701 | 0 | 0 | 0 | 0 | — | — | Even |
| ANNAWAN Voting District17_1707301501 | 0 | 0 | 0 | 0 | — | — | Even |
| ATKINSON Voting District17_1707300901 | 0 | 0 | 0 | 0 | — | — | Even |
| BURNS Voting District17_1707301901 | 0 | 0 | 0 | 0 | — | — | Even |
| CAMBRIDGE 1 Voting District17_1707301801 | 0 | 0 | 0 | 0 | — | — | Even |
| CAMBRIDGE 2 Voting District17_1707301802 | 0 | 0 | 0 | 0 | — | — | Even |
| CLOVER Voting District17_1707302201 | 0 | 0 | 0 | 0 | — | — | Even |
| COLONA 1 Voting District17_1707300601 | 0 | 0 | 0 | 0 | — | — | Even |
| COLONA 2 Voting District17_1707300602 | 0 | 0 | 0 | 0 | — | — | Even |
| COLONA 3 Voting District17_1707300603 | 0 | 0 | 0 | 0 | — | — | Even |
| COLONA 4 Voting District17_1707300604 | 0 | 0 | 0 | 0 | — | — | Even |
| COLONA 5 Voting District17_1707300605 | 0 | 0 | 0 | 0 | — | — | Even |
| CORNWALL Voting District17_1707301401 | 0 | 0 | 0 | 0 | — | — | Even |
| EDFORD Voting District17_1707300701 | 0 | 0 | 0 | 0 | — | — | Even |
| GALVA 1 Voting District17_1707302401 | 0 | 0 | 0 | 0 | — | — | Even |
| GALVA 2 Voting District17_1707302402 | 0 | 0 | 0 | 0 | — | — | Even |
| GALVA 3 Voting District17_1707302403 | 0 | 0 | 0 | 0 | — | — | Even |
| GENESEO 1 Voting District17_1707300801 | 0 | 0 | 0 | 0 | — | — | Even |
| GENESEO 2 Voting District17_1707300802 | 0 | 0 | 0 | 0 | — | — | Even |
| GENESEO 3 Voting District17_1707300803 | 0 | 0 | 0 | 0 | — | — | Even |
| GENESEO 4 Voting District17_1707300804 | 0 | 0 | 0 | 0 | — | — | Even |
| GENESEO 5 Voting District17_1707300805 | 0 | 0 | 0 | 0 | — | — | Even |
| GENESEO 6 Voting District17_1707300806 | 0 | 0 | 0 | 0 | — | — | Even |
| HANNA 1 Voting District17_1707300201 | 0 | 0 | 0 | 0 | — | — | Even |
| HANNA 2 Voting District17_1707300202 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 1 Voting District17_1707302001 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 10 Voting District17_1707302010 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 11 Voting District17_1707302011 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 2 Voting District17_1707302002 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 3 Voting District17_1707302003 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 4 Voting District17_1707302004 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 5 Voting District17_1707302005 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 6 Voting District17_1707302006 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 7 Voting District17_1707302007 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 8 Voting District17_1707302008 | 0 | 0 | 0 | 0 | — | — | Even |
| KEWANEE 9 Voting District17_1707302009 | 0 | 0 | 0 | 0 | — | — | Even |
| LORAINE Voting District17_1707300401 | 0 | 0 | 0 | 0 | — | — | Even |
| LYNN Voting District17_1707301601 | 0 | 0 | 0 | 0 | — | — | Even |
| MUNSON Voting District17_1707301301 | 0 | 0 | 0 | 0 | — | — | Even |
| OSCO Voting District17_1707301201 | 0 | 0 | 0 | 0 | — | — | Even |
| OXFORD Voting District17_1707302101 | 0 | 0 | 0 | 0 | — | — | Even |
| PHENIX Voting District17_1707300301 | 0 | 0 | 0 | 0 | — | — | Even |
| WELLER Voting District17_1707302301 | 0 | 0 | 0 | 0 | — | — | Even |
| WESTERN 1 Voting District17_1707301101 | 0 | 0 | 0 | 0 | — | — | Even |
| WESTERN 2 Voting District17_1707301102 | 0 | 0 | 0 | 0 | — | — | Even |
| WESTERN 3 Voting District17_1707301103 | 0 | 0 | 0 | 0 | — | — | Even |
| WETHERSFIELD 1 Voting District17_1707302501 | 0 | 0 | 0 | 0 | — | — | Even |
| WETHERSFIELD 2 Voting District17_1707302502 | 0 | 0 | 0 | 0 | — | — | Even |
| WETHERSFIELD 3 Voting District17_1707302503 | 0 | 0 | 0 | 0 | — | — | Even |
| WETHERSFIELD 4 Voting District17_1707302504 | 0 | 0 | 0 | 0 | — | — | Even |
| YORKTOWN Voting District17_1707300501 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −20.9% |
| 1896 | −34.3% |
| 1900 | −40.6% |
| 1904 | −60.4% |
| 1908 | −39.3% |
| 1912 | +3.9% |
| 1916 | −35.5% |
| 1920 | −62.8% |
| 1924 | −61.7% |
| 1928 | −42.5% |
| 1932 | −5.6% |
| 1936 | −1.9% |
| 1940 | −17.5% |
| 1944 | −19.4% |
| 1948 | −18.4% |
| 1952 | −31.1% |
| 1956 | −31.1% |
| 1960 | −15.9% |
| 1964 | +6.3% |
| 1968 | −17.9% |
| 1972 | −27.7% |
| 1976 | −13.2% |
| 1980 | −27.0% |
| 1984 | −15.1% |
| 1988 | +1.0% |
| 1992 | +8.6% |
| 1996 | +12.8% |
| 2000 | +4.4% |
| 2004 | −5.3% |
| 2008 | +7.7% |
| 2012 | +3.1% |
| 2016 | −20.8% |
| 2020 | −21.4% |
| 2024 | −24.4% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 37.8%7,430 | 60.2%11,833 | 19,652 |
| 2020 | R | 39.6%10,004 | 57.6%14,555 | 25,276 |
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 36,494 |
| 2018 | 34,453 |
| 2020 | 35,538 |
| 2022 | 35,119 |
| 2024 | 36,720 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−21 net domestic migration · 2025
Net −1,975 over 2011–2025 · gain loss
Arrivals reported $54,505 in average income, against $81,303 for residents who stayed — 33% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+0.9 on average — 24 points more Democratic-leaning than Henry County, IL itself (R+24.4).
Where arrivals came from lean of each source
- Rock Island County, IL278D+9.6
- Scott County, IA92R+3.9
- Knox County, IL44R+9.4
- Bureau County, IL41R+24.3
- Stark County, IL35R+45.6
- Peoria County, IL27D+4.6
Where departures went households, 2022–23
- Rock Island County, IL317
- Scott County, IA103
- Knox County, IL42
- Bureau County, IL36
- Whiteside County, IL33
- Mercer County, IL27
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 | −197 |
| 2012 | −29 |
| 2013 | −384 |
| 2014 | −104 |
| 2015 | −208 |
| 2016 | −158 |
| 2017 | −233 |
| 2018 | −120 |
| 2019 | −88 |
| 2021 | −77 |
| 2022 | −195 |
| 2023 | −83 |
| 2024 | −78 |
| 2025 | −21 |
Henry County's population has declined slowly as its agricultural economy consolidates, and its presidential margins have shifted roughly 20 points toward Republicans over the past four election cycles, reflecting a broader rural realignment across the Illinois River corridor.
Across the recorded series it reached a Democratic high of 12.8 points in 1996 and a Republican high of 62.8 points in 1920. Between 2020 and 2024 the county moved 3.0 points toward the Republican candidate; the 2024 margin was 24.4 points.
A population of 48,643, a 87% non-Hispanic-white share, and a median household income of $71,911 describe the county. The county's voting pattern over the last decade is most similar to that of Mercer County and Knox 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 →
Henry County, Illinois. Akashic. https://akashic.app/county/17073/. Accessed May 20, 2026. License: CC BY 4.0.