Washington County, Illinois
Precinct data
Results by precinct
44 precincts · 7,657 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -OKAWVILLE 1-003OKAWVILLE 1-003 | 203 | 656 | 32 | 891 | 22.8% | 73.6% | R+50.8 |
|---|---|---|---|---|---|---|---|
| Precinct -NASHVILLE 3-007NASHVILLE 3-007 | 152 | 480 | 21 | 653 | 23.3% | 73.5% | R+50.2 |
| Precinct -NASHVILLE 4-007NASHVILLE 4-007 | 139 | 451 | 8 | 598 | 23.2% | 75.4% | R+52.2 |
| Precinct -HOYLETON-001HOYLETON-001 | 91 | 490 | 10 | 591 | 15.4% | 82.9% | R+67.5 |
| Precinct -IRVINGTON-001IRVINGTON-001 | 107 | 445 | 12 | 564 | 19.0% | 78.9% | R+59.9 |
| Precinct -NASHVILLE 1-007NASHVILLE 1-007 | 142 | 396 | 16 | 554 | 25.6% | 71.5% | R+45.8 |
| Precinct -ASHLEY-001ASHLEY-001 | 76 | 286 | 9 | 371 | 20.5% | 77.1% | R+56.6 |
| Precinct -BEAUCOUP-001BEAUCOUP-001 | 49 | 296 | 9 | 354 | 13.8% | 83.6% | R+69.8 |
| Precinct -DuBOIS-004DuBOIS-004 | 64 | 262 | 11 | 337 | 19.0% | 77.7% | R+58.8 |
| Precinct -PILOT KNOB-002PILOT KNOB-002 | 76 | 242 | 15 | 333 | 22.8% | 72.7% | R+49.8 |
| Precinct -OAKDALE-006OAKDALE-006 | 57 | 266 | 9 | 332 | 17.2% | 80.1% | R+63.0 |
| Precinct -PLUM HILL-003PLUM HILL-003 | 66 | 252 | 11 | 329 | 20.1% | 76.6% | R+56.5 |
| Precinct -LIVELY GROVE-6/10LIVELY GROVE-6/10 | 54 | 253 | 7 | 314 | 17.2% | 80.6% | R+63.4 |
| Precinct -JOHANNISBURG-3/9JOHANNISBURG-3/9 | 57 | 242 | 8 | 307 | 18.6% | 78.8% | R+60.3 |
| Precinct -BOLO-002BOLO-002 | 50 | 212 | 6 | 268 | 18.7% | 79.1% | R+60.4 |
| Precinct -COVINGTON-003COVINGTON-003 | 44 | 200 | 6 | 250 | 17.6% | 80.0% | R+62.4 |
| Precinct -VENEDY-3/9VENEDY-3/9 | 66 | 177 | 6 | 249 | 26.5% | 71.1% | R+44.6 |
| Precinct -RICHVIEW-001RICHVIEW-001 | 38 | 127 | 5 | 170 | 22.4% | 74.7% | R+52.4 |
| Precinct -OKAWVILLE 2-003OKAWVILLE 2-003 | 21 | 124 | 2 | 147 | 14.3% | 84.4% | R+70.1 |
| Precinct -DuBOIS-005DuBOIS-005 | 12 | 33 | 0 | 45 | 26.7% | 73.3% | R+46.7 |
| ASHLEY 1 Voting District17_17189AS01 | 0 | 0 | 0 | 0 | — | — | Even |
| ASHLEY 2 Voting District17_17189AS02 | 0 | 0 | 0 | 0 | — | — | Even |
| BEAUCOUP Voting District17_17189BE01 | 0 | 0 | 0 | 0 | — | — | Even |
| BOLO Voting District17_17189BO01 | 0 | 0 | 0 | 0 | — | — | Even |
| COVINGTON Voting District17_17189CV01 | 0 | 0 | 0 | 0 | — | — | Even |
| DUBOIS 1 Voting District17_17189DU01 | 0 | 0 | 0 | 0 | — | — | Even |
| DUBOIS 2 Voting District17_17189DU02 | 0 | 0 | 0 | 0 | — | — | Even |
| HOYLETON 1 Voting District17_17189HY01 | 0 | 0 | 0 | 0 | — | — | Even |
| HOYLETON 2 Voting District17_17189HY02 | 0 | 0 | 0 | 0 | — | — | Even |
| IRVINGTON 1 Voting District17_17189IR01 | 0 | 0 | 0 | 0 | — | — | Even |
| IRVINGTON 2 Voting District17_17189IR02 | 0 | 0 | 0 | 0 | — | — | Even |
| JOHANNISBURG Voting District17_17189JH01 | 0 | 0 | 0 | 0 | — | — | Even |
| LIVELY GROVE Voting District17_17189LG01 | 0 | 0 | 0 | 0 | — | — | Even |
| NASHVILLE 1 Voting District17_17189NV01 | 0 | 0 | 0 | 0 | — | — | Even |
| NASHVILLE 2 Voting District17_17189NV02 | 0 | 0 | 0 | 0 | — | — | Even |
| NASHVILLE 3 Voting District17_17189NV03 | 0 | 0 | 0 | 0 | — | — | Even |
| NASHVILLE 4 Voting District17_17189NV04 | 0 | 0 | 0 | 0 | — | — | Even |
| OAKDALE 1 Voting District17_17189OK01 | 0 | 0 | 0 | 0 | — | — | Even |
| OKAWVILLE 1 Voting District17_17189OV01 | 0 | 0 | 0 | 0 | — | — | Even |
| OKAWVILLE 2 Voting District17_17189OV02 | 0 | 0 | 0 | 0 | — | — | Even |
| PILOT KNOB Voting District17_17189PK01 | 0 | 0 | 0 | 0 | — | — | Even |
| PLUM HILL Voting District17_17189PL01 | 0 | 0 | 0 | 0 | — | — | Even |
| RICHVIEW Voting District17_17189RC01 | 0 | 0 | 0 | 0 | — | — | Even |
| VENEDY 1 Voting District17_17189VD01 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −2.1% |
| 1896 | −8.4% |
| 1900 | −5.9% |
| 1904 | −21.0% |
| 1908 | −12.0% |
| 1912 | +8.3% |
| 1916 | −24.4% |
| 1920 | −53.5% |
| 1924 | −28.3% |
| 1928 | −12.1% |
| 1932 | +20.4% |
| 1936 | −4.7% |
| 1940 | −24.1% |
| 1944 | −33.0% |
| 1948 | −24.7% |
| 1952 | −32.5% |
| 1956 | −30.5% |
| 1960 | −24.0% |
| 1964 | −2.3% |
| 1968 | −35.7% |
| 1972 | −37.9% |
| 1976 | −16.1% |
| 1980 | −41.2% |
| 1984 | −36.8% |
| 1988 | −20.9% |
| 1992 | −0.2% |
| 1996 | −8.6% |
| 2000 | −24.0% |
| 2004 | −25.7% |
| 2008 | −14.3% |
| 2012 | −31.5% |
| 2016 | −55.4% |
| 2020 | −56.5% |
| 2024 | −57.2% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 23.9%1,425 | 74.2%4,424 | 5,963 |
| 2020 | R | 24.6%1,914 | 73.0%5,671 | 7,766 |
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 10,543 |
| 2018 | 10,083 |
| 2020 | 10,228 |
| 2022 | 10,101 |
| 2024 | 10,299 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
0 net domestic migration · 2025
Net −863 over 2011–2025 · gain loss
Arrivals reported $58,077 in average income, against $88,262 for residents who stayed — 34% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+37.3 on average — 20 points more Democratic-leaning than Washington County, IL itself (R+57.2).
Where arrivals came from lean of each source
- Marion County, IL51R+49.5
- St. Clair County, IL44D+7.8
- Clinton County, IL43R+51.8
- Jefferson County, IL35R+47.7
- Perry County, IL26R+51.9
Where departures went households, 2022–23
- St. Clair County, IL56
- Marion County, IL36
- Jefferson County, IL26
- Clinton County, IL21
- Madison County, IL20
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 | −130 |
| 2012 | +33 |
| 2013 | −192 |
| 2014 | −19 |
| 2015 | −148 |
| 2016 | −87 |
| 2017 | −227 |
| 2018 | +38 |
| 2019 | −123 |
| 2021 | −40 |
| 2022 | +49 |
| 2023 | −31 |
| 2024 | +14 |
| 2025 | 0 |
Washington County's 2024 presidential margin of R+57.2 places it among the state's most lopsided rural counties, reflecting a broader realignment of small downstate communities away from competitive voting patterns over the past two decades.
Across the recorded series it reached a Democratic high of 20.4 points in 1932 and a Republican high of 57.2 points in 2024. Between 2020 and 2024 the county moved 0.8 points toward the Republican candidate; the 2024 margin was 57.2 points.
A population of 13,627, a 95% non-Hispanic-white share, and a median household income of $78,224 describe the county. The county's voting pattern over the last decade is most similar to that of Green Lake County and Howard 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 →
Washington County, Illinois. Akashic. https://akashic.app/county/17189/. Accessed May 20, 2026. License: CC BY 4.0.