HarrisDemocratic29.6%1,026TrumpRepublican68.4%2,369KennedyIndependent1.9%67
R+38.8- Lead
- 1,343
- Total
- 3,464
- vs nation
- R+37.3
- Turnout
- 69.4%
Akashiccounty
Henderson 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 69.4% of 5,038 citizens 18+
BidenDemocratic32.5%1,187TrumpRepublican65.5%2,394JorgensenLibertarian1.3%49
R+33.0- Lead
- 1,207
- Total
- 3,656
- vs nation
- R+37.5
- Turnout
- 67.4%
ClintonDemocratic32.8%1,155TrumpRepublican61.3%2,155JohnsonLibertarian4.5%158
R+28.4- Lead
- 1,000
- Total
- 3,518
- vs nation
- R+30.5
- Turnout
- 63.1%
ObamaDemocratic55.4%1,978RomneyRepublican43.2%1,541JOHNSONLibertarian1.0%37
D+12.2- Lead
- 437
- Total
- 3,568
- vs nation
- D+8.4
- Turnout
- —
ObamaDemocratic58.1%2,215McCainRepublican40.4%1,541OtherAll other candidates1.5%58
D+17.7- Lead
- 674
- Total
- 3,814
- vs nation
- D+10.4
- Turnout
- —
KerryDemocratic54.6%2,269BushRepublican44.7%1,857OtherAll other candidates0.7%27
D+9.9- Lead
- 412
- Total
- 4,153
- vs nation
- D+12.4
- Turnout
- —
GoreDemocratic52.5%2,030BushRepublican44.2%1,708NaderGreen1.9%74
D+8.3- Lead
- 322
- Total
- 3,866
- vs nation
- D+7.8
- Turnout
- —
ClintonDemocratic54.0%1,953DoleRepublican34.1%1,233PerotReform11.3%408
D+19.9- Lead
- 720
- Total
- 3,619
- vs nation
- D+11.4
- Turnout
- —
Key facts
- 2024 presidential margin
- R+38.8MIT Election Lab
- Population
- 6,1932024 5-year
- Median household income
- $62,2272024 5-year
- White (non-Hispanic)
- 93.7%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 1.2%2024 5-year
- Peak Democratic margin
- D+19.9 in 1996MIT Election Lab
- Peak Republican margin
- R+56.0 in 1920MIT Election Lab
- Most similar
- Mercer County, IL · twin score 90.4
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
- 69.4%3,494 participants ÷ 5,038 CVAP
- 2020→2022 drop-off
- +9.3 ptsHigh-turnout, durable
- Drop-off versus state
- -12.7 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 57.8%–60.0%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 3,529 | 5,595 | 63.1% | A/A |
| 2018 · Midterm | 2,753 | 5,582 | 49.3% | A/A |
| 2020 · Presidential | 3,698 | 5,484 | 67.4% | A/A |
| 2022 · Midterm | 3,000 | 5,164 | 58.1% | A/A |
| 2024 · Presidential | 3,494 | 5,038 | 69.4% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 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 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 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
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 | — | — | No votes |
| BIGGSVILLE Voting District17_1707100301 | 0 | 0 | 0 | 0 | — | — | No votes |
| CARMAN Voting District17_1707101101 | 0 | 0 | 0 | 0 | — | — | No votes |
| GLADSTONE 1 Voting District17_1707100701 | 0 | 0 | 0 | 0 | — | — | No votes |
| GLADSTONE 2 Voting District17_1707100702 | 0 | 0 | 0 | 0 | — | — | No votes |
| LOMAX Voting District17_1707101001 | 0 | 0 | 0 | 0 | — | — | No votes |
| MEDIA Voting District17_1707100201 | 0 | 0 | 0 | 0 | — | — | No votes |
| OQUAWKA 1 Voting District17_1707100601 | 0 | 0 | 0 | 0 | — | — | No votes |
| OQUAWKA 2 Voting District17_1707100602 | 0 | 0 | 0 | 0 | — | — | No votes |
| RARITAN Voting District17_1707100101 | 0 | 0 | 0 | 0 | — | — | No votes |
| ROZETTA Voting District17_1707100401 | 0 | 0 | 0 | 0 | — | — | No votes |
| STRONGHURST Voting District17_1707100801 | 0 | 0 | 0 | 0 | — | — | No votes |
| TERRE HAUTE Voting District17_1707100901 | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
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% |
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 | 4,865 |
| 2018 | 4,962 |
| 2020 | 4,910 |
| 2022 | 4,749 |
| 2024 | 4,564 |
domestic migration
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
20112025
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.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Mercer County
Illinois
90.4twin score
2000–2012 trajectory≠ 12-yr trend
Union County
Iowa
89.3twin score
12-yr trend2008–2012 trajectory% White≠ median age
Henry County
Iowa
86.9twin score
% unaffiliated% Catholic% Evangelical≠ 12-yr trend
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Henderson County, Illinois. Akashic. https://akashic.app/county/17071/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Henderson County, Illinois vote in 2024?
In 2024, Henderson County, Illinois voted Republican by 38.8 points (R+38.8), carried by the Republican candidate. Out of 3,464 votes cast, 1,026 went Democratic and 2,369 went Republican.
When did Henderson County, Illinois last vote Democratic?
The most recent presidential election in which Henderson County, Illinois voted Democratic was 2012.
How many people live in Henderson County, Illinois?
Henderson County, Illinois has a population of 6,193 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Henderson County, Illinois?
Median household income in Henderson County, Illinois is $62,227 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Henderson County, Illinois?
Akashic tracks 38 presidential elections in Henderson County, Illinois from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.