Henderson County, Illinois
Precinct data
Results by precinct
26 precincts · 3,493 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -OQUAWKA 2OQUAWKA 2 | 204 | 431 | 16 | 651 | 31.3% | 66.2% | R+34.9 |
|---|---|---|---|---|---|---|---|
| Precinct -STRONGHURSTSTRONGHURST | 123 | 382 | 28 | 533 | 23.1% | 71.7% | R+48.6 |
| Precinct -LOMAXLOMAX | 114 | 241 | 5 | 360 | 31.7% | 66.9% | R+35.3 |
| Precinct -BIGGSVILLEBIGGSVILLE | 78 | 205 | 10 | 293 | 26.6% | 70.0% | R+43.3 |
| Precinct -OQUAWKA 1OQUAWKA 1 | 87 | 169 | 12 | 268 | 32.5% | 63.1% | R+30.6 |
| Precinct -GLADSTONE 1GLADSTONE 1 | 99 | 158 | 5 | 262 | 37.8% | 60.3% | R+22.5 |
| Precinct -GLADSTONE 2GLADSTONE 2 | 85 | 126 | 5 | 216 | 39.4% | 58.3% | R+19.0 |
| Precinct -MEDIAMEDIA | 52 | 153 | 7 | 212 | 24.5% | 72.2% | R+47.6 |
| Precinct -ROZETTAROZETTA | 18 | 135 | 0 | 153 | 11.8% | 88.2% | R+76.5 |
| Precinct -RARITANRARITAN | 36 | 102 | 4 | 142 | 25.4% | 71.8% | R+46.5 |
| Precinct -BALD BLUFFBALD BLUFF | 46 | 91 | 0 | 137 | 33.6% | 66.4% | R+32.8 |
| Precinct -CARMANCARMAN | 62 | 71 | 4 | 137 | 45.3% | 51.8% | R+6.6 |
| Precinct -TERRE HAUTETERRE HAUTE | 22 | 105 | 2 | 129 | 17.1% | 81.4% | R+64.3 |
| BALD BLUFF Voting District17_1707100501 | 0 | 0 | 0 | 0 | — | — | Even |
| BIGGSVILLE Voting District17_1707100301 | 0 | 0 | 0 | 0 | — | — | Even |
| CARMAN Voting District17_1707101101 | 0 | 0 | 0 | 0 | — | — | Even |
| GLADSTONE 1 Voting District17_1707100701 | 0 | 0 | 0 | 0 | — | — | Even |
| GLADSTONE 2 Voting District17_1707100702 | 0 | 0 | 0 | 0 | — | — | Even |
| LOMAX Voting District17_1707101001 | 0 | 0 | 0 | 0 | — | — | Even |
| MEDIA Voting District17_1707100201 | 0 | 0 | 0 | 0 | — | — | Even |
| OQUAWKA 1 Voting District17_1707100601 | 0 | 0 | 0 | 0 | — | — | Even |
| OQUAWKA 2 Voting District17_1707100602 | 0 | 0 | 0 | 0 | — | — | Even |
| RARITAN Voting District17_1707100101 | 0 | 0 | 0 | 0 | — | — | Even |
| ROZETTA Voting District17_1707100401 | 0 | 0 | 0 | 0 | — | — | Even |
| STRONGHURST Voting District17_1707100801 | 0 | 0 | 0 | 0 | — | — | Even |
| TERRE HAUTE Voting District17_1707100901 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −17.8% |
| 1896 | −28.4% |
| 1900 | −27.8% |
| 1904 | −37.8% |
| 1908 | −29.2% |
| 1912 | +3.1% |
| 1916 | −21.2% |
| 1920 | −56.0% |
| 1924 | −52.5% |
| 1928 | −43.0% |
| 1932 | +13.1% |
| 1936 | −3.2% |
| 1940 | −24.4% |
| 1944 | −26.9% |
| 1948 | −22.7% |
| 1952 | −32.1% |
| 1956 | −30.2% |
| 1960 | −20.5% |
| 1964 | +9.9% |
| 1968 | −14.2% |
| 1972 | −21.3% |
| 1976 | −1.3% |
| 1980 | −19.6% |
| 1984 | −7.5% |
| 1988 | +9.4% |
| 1992 | +17.4% |
| 1996 | +19.9% |
| 2000 | +8.3% |
| 2004 | +9.9% |
| 2008 | +17.7% |
| 2012 | +12.2% |
| 2016 | −28.4% |
| 2020 | −33.0% |
| 2024 | −38.8% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 35.1%1,020 | 62.3%1,813 | 2,909 |
| 2020 | R | 36.4%1,299 | 61.1%2,178 | 3,566 |
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 4,865 |
| 2018 | 4,962 |
| 2020 | 4,910 |
| 2022 | 4,749 |
| 2024 | 4,564 |
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 −681 over 2011–2025 · gain loss
Arrivals reported $45,273 in average income, against $65,463 for residents who stayed — 31% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+15.0 on average — 24 points more Democratic-leaning than Henderson County, IL itself (R+38.8).
Where arrivals came from lean of each source
- Des Moines County, IA33R+15.0
Where departures went households, 2022–23
- Des Moines County, IA47
- Warren County, IL24
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 | −93 |
| 2012 | −150 |
| 2013 | −51 |
| 2014 | +42 |
| 2015 | +4 |
| 2016 | −93 |
| 2017 | −48 |
| 2018 | −88 |
| 2019 | −18 |
| 2021 | +22 |
| 2022 | −100 |
| 2023 | −43 |
| 2024 | −44 |
| 2025 | −21 |
Henderson County's rural northwest Illinois landscape and dwindling population track closely with a decades-long shift toward lopsided Republican margins, hitting R+38.8 in 2024 despite the county casting fewer than 3,500 total votes.
Across the recorded series it reached a Democratic high of 19.9 points in 1996 and a Republican high of 56.0 points in 1920. Between 2020 and 2024 the county moved 5.8 points toward the Republican candidate; the 2024 margin was 38.8 points.
A population of 6,193, a 94% non-Hispanic-white share, and a median household income of $62,227 describe the county. The county's voting pattern over the last decade is most similar to that of Mercer County and Union 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 →
Henderson County, Illinois. Akashic. https://akashic.app/county/17071/. Accessed May 20, 2026. License: CC BY 4.0.