Jersey County, Illinois
Precinct data
Results by precinct
47 precincts · 11,792 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -JERSEY 08JERSEY 08 | 263 | 653 | 31 | 947 | 27.8% | 69.0% | R+41.2 |
|---|---|---|---|---|---|---|---|
| Precinct -PIASA 1PIASA 1 | 183 | 731 | 26 | 940 | 19.5% | 77.8% | R+58.3 |
| Precinct -JERSEY 05JERSEY 05 | 176 | 704 | 12 | 892 | 19.7% | 78.9% | R+59.2 |
| Precinct -QUARRYQUARRY | 208 | 462 | 17 | 687 | 30.3% | 67.2% | R+37.0 |
| Precinct -JERSEY 06JERSEY 06 | 144 | 521 | 18 | 683 | 21.1% | 76.3% | R+55.2 |
| Precinct -MISSISSIPPI 1MISSISSIPPI 1 | 148 | 504 | 11 | 663 | 22.3% | 76.0% | R+53.7 |
| Precinct -JERSEY 03JERSEY 03 | 163 | 446 | 17 | 626 | 26.0% | 71.2% | R+45.2 |
| Precinct -ELSAH 2ELSAH 2 | 188 | 418 | 15 | 621 | 30.3% | 67.3% | R+37.0 |
| Precinct -JERSEY 02JERSEY 02 | 131 | 429 | 17 | 577 | 22.7% | 74.4% | R+51.6 |
| Precinct -PIASA 2PIASA 2 | 133 | 424 | 14 | 571 | 23.3% | 74.3% | R+51.0 |
| Precinct -OTTER CREEKOTTER CREEK | 87 | 443 | 9 | 539 | 16.1% | 82.2% | R+66.0 |
| Precinct -JERSEY 01JERSEY 01 | 129 | 331 | 17 | 477 | 27.0% | 69.4% | R+42.3 |
| Precinct -JERSEY 07JERSEY 07 | 134 | 318 | 16 | 468 | 28.6% | 67.9% | R+39.3 |
| Precinct -ELSAH 1ELSAH 1 | 167 | 273 | 12 | 452 | 36.9% | 60.4% | R+23.5 |
| Precinct -MISSISSIPPI 2MISSISSIPPI 2 | 96 | 335 | 17 | 448 | 21.4% | 74.8% | R+53.3 |
| Precinct -FIDELITYFIDELITY | 70 | 303 | 8 | 381 | 18.4% | 79.5% | R+61.2 |
| Precinct -JERSEY 04JERSEY 04 | 118 | 248 | 11 | 377 | 31.3% | 65.8% | R+34.5 |
| Precinct -RICHWOODRICHWOOD | 51 | 297 | 3 | 351 | 14.5% | 84.6% | R+70.1 |
| Precinct -ENGLISHENGLISH | 73 | 238 | 7 | 318 | 23.0% | 74.8% | R+51.9 |
| Precinct -PIASA 3PIASA 3 | 67 | 240 | 8 | 315 | 21.3% | 76.2% | R+54.9 |
| Precinct -ROSEDALEROSEDALE | 50 | 184 | 5 | 239 | 20.9% | 77.0% | R+56.1 |
| Precinct -RUYLERUYLE | 37 | 182 | 1 | 220 | 16.8% | 82.7% | R+65.9 |
| ELSAH 1 Voting District17_1708300101 | 0 | 0 | 0 | 0 | — | — | Even |
| ELSAH 2 Voting District17_1708300102 | 0 | 0 | 0 | 0 | — | — | Even |
| ENGLISH Voting District17_1708300201 | 0 | 0 | 0 | 0 | — | — | Even |
| FIDELITY Voting District17_1708300301 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 1 Voting District17_1708300401 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 10 Voting District17_1708300410 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 2 Voting District17_1708300402 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 3 Voting District17_1708300403 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 4 Voting District17_1708300404 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 5 Voting District17_1708300405 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 6 Voting District17_1708300406 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 7 Voting District17_1708300407 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 8 Voting District17_1708300408 | 0 | 0 | 0 | 0 | — | — | Even |
| JERSEY 9 Voting District17_1708300409 | 0 | 0 | 0 | 0 | — | — | Even |
| MISSISSIPPI 1 Voting District17_1708300501 | 0 | 0 | 0 | 0 | — | — | Even |
| MISSISSIPPI 2 Voting District17_1708300502 | 0 | 0 | 0 | 0 | — | — | Even |
| OTTER CREEK Voting District17_1708300601 | 0 | 0 | 0 | 0 | — | — | Even |
| PIASA 1 Voting District17_1708300701 | 0 | 0 | 0 | 0 | — | — | Even |
| PIASA 2 Voting District17_1708300702 | 0 | 0 | 0 | 0 | — | — | Even |
| PIASA 3 Voting District17_1708300703 | 0 | 0 | 0 | 0 | — | — | Even |
| QUARRY 1 Voting District17_1708300801 | 0 | 0 | 0 | 0 | — | — | Even |
| QUARRY 2 Voting District17_1708300802 | 0 | 0 | 0 | 0 | — | — | Even |
| RICHWOOD Voting District17_1708300901 | 0 | 0 | 0 | 0 | — | — | Even |
| ROSEDALE Voting District17_1708301001 | 0 | 0 | 0 | 0 | — | — | Even |
| RUYLE Voting District17_1708301101 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +19.8% |
| 1896 | +18.0% |
| 1900 | +17.4% |
| 1904 | +5.4% |
| 1908 | +10.6% |
| 1912 | +25.7% |
| 1916 | +7.0% |
| 1920 | −17.6% |
| 1924 | +4.8% |
| 1928 | −9.5% |
| 1932 | +27.2% |
| 1936 | +13.2% |
| 1940 | −3.5% |
| 1944 | −9.8% |
| 1948 | +1.2% |
| 1952 | −8.1% |
| 1956 | −10.5% |
| 1960 | −1.9% |
| 1964 | +12.8% |
| 1968 | −5.6% |
| 1972 | −21.7% |
| 1976 | +3.9% |
| 1980 | −21.6% |
| 1984 | −15.5% |
| 1988 | +0.4% |
| 1992 | +18.0% |
| 1996 | +12.1% |
| 2000 | −3.7% |
| 2004 | −8.3% |
| 2008 | −2.7% |
| 2012 | −23.7% |
| 2016 | −46.1% |
| 2020 | −48.1% |
| 2024 | −50.2% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 28.6%2,648 | 69.1%6,402 | 9,260 |
| 2020 | R | 29.9%3,478 | 67.4%7,850 | 11,644 |
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 18,868 |
| 2018 | 16,341 |
| 2020 | 16,639 |
| 2022 | 15,735 |
| 2024 | 15,887 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+116 net domestic migration · 2025
Net −826 over 2011–2025 · gain loss
Arrivals reported $62,004 in average income, against $78,394 for residents who stayed — 21% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+19.0 on average — 31 points more Democratic-leaning than Jersey County, IL itself (R+50.2).
Where arrivals came from lean of each source
- Madison County, IL181R+13.2
- Macoupin County, IL55R+39.2
- Greene County, IL31R+57.8
- St. Louis County, MO30D+23.4
Where departures went households, 2022–23
- Madison County, IL203
- Macoupin County, IL54
- Greene County, IL41
- St. Louis County, MO24
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 | −97 |
| 2012 | −168 |
| 2013 | −80 |
| 2014 | −106 |
| 2015 | −191 |
| 2016 | −289 |
| 2017 | −6 |
| 2018 | −70 |
| 2019 | −18 |
| 2021 | −14 |
| 2022 | −11 |
| 2023 | +26 |
| 2024 | +82 |
| 2025 | +116 |
Jersey County, a rural Mississippi River county southwest of St. Louis, has shifted steadily rightward over two decades — its 2024 presidential margin of R+50 places it among the most lopsided counties in a state that trends Democratic statewide.
Across the recorded series it reached a Democratic high of 27.2 points in 1932 and a Republican high of 50.2 points in 2024. Between 2020 and 2024 the county moved 2.1 points toward the Republican candidate; the 2024 margin was 50.2 points.
A population of 21,274, a 95% non-Hispanic-white share, and a median household income of $80,361 describe the county. The county's voting pattern over the last decade is most similar to that of Calhoun County and Macoupin 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 →
Jersey County, Illinois. Akashic. https://akashic.app/county/17083/. Accessed May 20, 2026. License: CC BY 4.0.