Arcola leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 62% of adults in Arcola typically vote, near the U.S. average of about 62%. Among adults in Arcola, ~19% vote Democratic, ~43% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Arcola compares
Among cities within 25 miles, Arcola leans more Republican than 6 of 63 neighbors.
Arcola runs about 49 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Arcola is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Arcola. The northwest side is the most Republican-leaning (R+53) and the east side is the least Republican-leaning (R+24), a spread of about 29 points.
Why Arcola leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Arcola, not a ranked or complete list of what matters most.
Arcola votes against the grain of Illinois. Illinois leans Democratic overall, while Arcola runs about 49 points more Republican. Dense places usually vote Democratic, but Arcola runs against that pattern. A high family-household share predicts Republican voting, and about 77% of households in Arcola are family households, above 83% of cities.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Arcola, IL sits in the bottom tenth nationally on this measure.
Why turnout in Arcola looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Arcola is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Filson, IL R+55
- Chesterville, IL R+61
- Humboldt, IL R+60
- Kemp, IL R+58
- Tuscola, IL R+44
- Arthur, IL R+55
- Ficklin, IL R+63
- Garrett, IL R+65
Cities with Similar Populations
- Sale Creek, TN R+63
- Lancaster, NH R+15
- Clarkton, NC R+4
- Lloyd Harbor, NY R+6
- Islandia, NY D+4
- Frontenac, KS R+34
- Triadelphia, WV R+46
- Laguna Vista, TX R+34
- Trempealeau, WI R+24
- St. George, KS R+44
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Illinois State Board of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.