Shelby County, Illinois
Precinct data
Results by precinct
66 precincts · 11,774 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -PRAIRIEPRAIRIE | 97 | 554 | 8 | 659 | 14.7% | 84.1% | R+69.3 |
|---|---|---|---|---|---|---|---|
| Precinct -MOWEAQUA 2MOWEAQUA 2 | 132 | 447 | 14 | 593 | 22.3% | 75.4% | R+53.1 |
| Precinct -OKAWOKAW | 125 | 415 | 15 | 555 | 22.5% | 74.8% | R+52.3 |
| Precinct -SHELBYVILLE 5SHELBYVILLE 5 | 105 | 440 | 9 | 554 | 19.0% | 79.4% | R+60.5 |
| Precinct -TOWER HILLTOWER HILL | 76 | 423 | 11 | 510 | 14.9% | 82.9% | R+68.0 |
| Precinct -ROSE 2ROSE 2 | 84 | 404 | 13 | 501 | 16.8% | 80.6% | R+63.9 |
| Precinct -OCONEEOCONEE | 89 | 390 | 12 | 491 | 18.1% | 79.4% | R+61.3 |
| Precinct -SIGELSIGEL | 67 | 402 | 13 | 482 | 13.9% | 83.4% | R+69.5 |
| Precinct -ROSE 1ROSE 1 | 108 | 342 | 21 | 471 | 22.9% | 72.6% | R+49.7 |
| Precinct -DRY POINTDRY POINT | 34 | 433 | 3 | 470 | 7.2% | 92.1% | R+84.9 |
| Precinct -RICHLANDRICHLAND | 81 | 371 | 14 | 466 | 17.4% | 79.6% | R+62.2 |
| Precinct -MOWEAQUA 1MOWEAQUA 1 | 133 | 321 | 5 | 459 | 29.0% | 69.9% | R+41.0 |
| Precinct -WINDSOR 1WINDSOR 1 | 85 | 329 | 14 | 428 | 19.9% | 76.9% | R+57.0 |
| Precinct -SHELBYVILLE 6SHELBYVILLE 6 | 124 | 292 | 4 | 420 | 29.5% | 69.5% | R+40.0 |
| Precinct -BIG SPRINGBIG SPRING | 58 | 353 | 6 | 417 | 13.9% | 84.7% | R+70.7 |
| Precinct -SHELBYVILLE 7SHELBYVILLE 7 | 84 | 287 | 14 | 385 | 21.8% | 74.5% | R+52.7 |
| Precinct -SHELBYVILLE 4SHELBYVILLE 4 | 72 | 221 | 6 | 299 | 24.1% | 73.9% | R+49.8 |
| Precinct -FLAT BRANCHFLAT BRANCH | 42 | 243 | 10 | 295 | 14.2% | 82.4% | R+68.1 |
| Precinct -SHELBYVILLE 1SHELBYVILLE 1 | 85 | 188 | 8 | 281 | 30.2% | 66.9% | R+36.7 |
| Precinct -WINDSOR 2WINDSOR 2 | 51 | 210 | 11 | 272 | 18.8% | 77.2% | R+58.5 |
| Precinct -HERRICKHERRICK | 45 | 219 | 7 | 271 | 16.6% | 80.8% | R+64.2 |
| Precinct -ASH GROVEASH GROVE | 53 | 209 | 5 | 267 | 19.9% | 78.3% | R+58.4 |
| Precinct -SHELBYVILLE 3SHELBYVILLE 3 | 61 | 193 | 7 | 261 | 23.4% | 73.9% | R+50.6 |
| Precinct -TODDS POINTTODDS POINT | 47 | 207 | 4 | 258 | 18.2% | 80.2% | R+62.0 |
| Precinct -CLARKSBURGCLARKSBURG | 33 | 196 | 3 | 232 | 14.2% | 84.5% | R+70.3 |
| Precinct -RIDGERIDGE | 39 | 185 | 4 | 228 | 17.1% | 81.1% | R+64.0 |
| Precinct -HOLLANDHOLLAND | 30 | 189 | 6 | 225 | 13.3% | 84.0% | R+70.7 |
| Precinct -COLD SPRINGCOLD SPRING | 41 | 177 | 6 | 224 | 18.3% | 79.0% | R+60.7 |
| Precinct -LAKEWOODLAKEWOOD | 42 | 181 | 0 | 223 | 18.8% | 81.2% | R+62.3 |
| Precinct -SHELBYVILLE 2SHELBYVILLE 2 | 55 | 145 | 8 | 208 | 26.4% | 69.7% | R+43.3 |
| Precinct -RURALRURAL | 26 | 160 | 3 | 189 | 13.8% | 84.7% | R+70.9 |
| Precinct -PICKAWAYPICKAWAY | 26 | 87 | 2 | 115 | 22.6% | 75.7% | R+53.0 |
| Precinct -PENNPENN | 10 | 54 | 1 | 65 | 15.4% | 83.1% | R+67.7 |
| ASH GROVE Voting District17_17173AG01 | 0 | 0 | 0 | 0 | — | — | Even |
| BIG SPRING Voting District17_17173BS01 | 0 | 0 | 0 | 0 | — | — | Even |
| CLARKSBURG Voting District17_17173CL01 | 0 | 0 | 0 | 0 | — | — | Even |
| COLD SPRING Voting District17_17173CS01 | 0 | 0 | 0 | 0 | — | — | Even |
| DRY POINT Voting District17_17173DP01 | 0 | 0 | 0 | 0 | — | — | Even |
| FLAT BRANCH Voting District17_17173FB01 | 0 | 0 | 0 | 0 | — | — | Even |
| HERRICK Voting District17_17173HE01 | 0 | 0 | 0 | 0 | — | — | Even |
| HOLLAND Voting District17_17173HO01 | 0 | 0 | 0 | 0 | — | — | Even |
| LAKEWOOD Voting District17_17173LA01 | 0 | 0 | 0 | 0 | — | — | Even |
| MOWEAQUA 1 Voting District17_17173MO01 | 0 | 0 | 0 | 0 | — | — | Even |
| MOWEAQUA 2 Voting District17_17173MO02 | 0 | 0 | 0 | 0 | — | — | Even |
| OCONEE Voting District17_17173OC01 | 0 | 0 | 0 | 0 | — | — | Even |
| OKAW Voting District17_17173OK01 | 0 | 0 | 0 | 0 | — | — | Even |
| PENN Voting District17_17173PE01 | 0 | 0 | 0 | 0 | — | — | Even |
| PICKAWAY Voting District17_17173PI01 | 0 | 0 | 0 | 0 | — | — | Even |
| PRAIRIE 1 Voting District17_17173PR01 | 0 | 0 | 0 | 0 | — | — | Even |
| RICHLAND Voting District17_17173RI01 | 0 | 0 | 0 | 0 | — | — | Even |
| RIDGE Voting District17_17173RD01 | 0 | 0 | 0 | 0 | — | — | Even |
| ROSE 1 Voting District17_17173RO01 | 0 | 0 | 0 | 0 | — | — | Even |
| ROSE 2 Voting District17_17173RO02 | 0 | 0 | 0 | 0 | — | — | Even |
| RURAL Voting District17_17173RU01 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 1 Voting District17_17173SH01 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 2 Voting District17_17173SH02 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 3 Voting District17_17173SH03 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 4 Voting District17_17173SH04 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 5 Voting District17_17173SH05 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 6 Voting District17_17173SH06 | 0 | 0 | 0 | 0 | — | — | Even |
| SHELBYVILLE 7 Voting District17_17173SH07 | 0 | 0 | 0 | 0 | — | — | Even |
| SIGEL Voting District17_17173SI01 | 0 | 0 | 0 | 0 | — | — | Even |
| TODDS POINT Voting District17_17173TP01 | 0 | 0 | 0 | 0 | — | — | Even |
| TOWER HILL Voting District17_17173TH01 | 0 | 0 | 0 | 0 | — | — | Even |
| WINDSOR 1 Voting District17_17173WI01 | 0 | 0 | 0 | 0 | — | — | Even |
| WINDSOR 2 Voting District17_17173WI02 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +17.2% |
| 1896 | +20.7% |
| 1900 | +14.1% |
| 1904 | −3.7% |
| 1908 | +9.6% |
| 1912 | +26.7% |
| 1916 | +11.6% |
| 1920 | −10.5% |
| 1924 | −2.9% |
| 1928 | −27.3% |
| 1932 | +26.5% |
| 1936 | +16.8% |
| 1940 | +3.0% |
| 1944 | −2.3% |
| 1948 | +2.8% |
| 1952 | −15.4% |
| 1956 | −14.0% |
| 1960 | −9.1% |
| 1964 | +24.7% |
| 1968 | −8.6% |
| 1972 | −24.3% |
| 1976 | +8.2% |
| 1980 | −22.5% |
| 1984 | −19.2% |
| 1988 | −7.1% |
| 1992 | +13.2% |
| 1996 | +0.3% |
| 2000 | −18.0% |
| 2004 | −28.4% |
| 2008 | −19.8% |
| 2012 | −33.5% |
| 2016 | −53.8% |
| 2020 | −57.1% |
| 2024 | −60.2% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 23.8%2,304 | 74.2%7,177 | 9,667 |
| 2020 | R | 24.5%2,921 | 72.8%8,698 | 11,945 |
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 15,718 |
| 2018 | 15,301 |
| 2020 | 14,997 |
| 2022 | 14,705 |
| 2024 | 15,428 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+110 net domestic migration · 2025
Net −667 over 2011–2025 · gain loss
Arrivals reported $53,321 in average income, against $77,824 for residents who stayed — 31% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+40.7 on average — 20 points more Democratic-leaning than Shelby County, IL itself (R+60.2).
Where arrivals came from lean of each source
- Effingham County, IL59R+60.3
- Christian County, IL58R+46.7
- Macon County, IL54R+18.9
- Coles County, IL47R+28.4
- Moultrie County, IL30R+49.0
Where departures went households, 2022–23
- Christian County, IL67
- Macon County, IL62
- Effingham County, IL59
- Coles County, IL58
- Moultrie County, IL43
- Fayette County, IL28
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 | −81 |
| 2012 | −89 |
| 2013 | −82 |
| 2014 | −68 |
| 2015 | −267 |
| 2016 | −96 |
| 2017 | +3 |
| 2018 | −16 |
| 2019 | −73 |
| 2021 | +8 |
| 2022 | −14 |
| 2023 | −36 |
| 2024 | +34 |
| 2025 | +110 |
Shelby County's R+60.2 margin in 2024 places it among the most heavily one-sided counties in a state often defined by its Chicago-versus-downstate divide, reflecting the deep rural consolidation seen across central Illinois farmland.
Across the recorded series it reached a Democratic high of 26.7 points in 1912 and a Republican high of 60.2 points in 2024. Between 2020 and 2024 the county moved 3.1 points toward the Republican candidate; the 2024 margin was 60.2 points.
A population of 20,720, a 96% non-Hispanic-white share, and a median household income of $72,095 describe the county. The county's voting pattern over the last decade is most similar to that of Pike County and Morgan 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 →
Shelby County, Illinois. Akashic. https://akashic.app/county/17173/. Accessed May 20, 2026. License: CC BY 4.0.