Claremont leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 54% of adults in Claremont typically vote, below the U.S. average of about 62%. Among adults in Claremont, ~18% vote Democratic, ~36% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Claremont compares
Among cities within 25 miles, Claremont leans more Republican than 1 of 56 neighbors.
Claremont runs about 43 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Claremont is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Claremont. The northeast side is the most Republican-leaning (R+67) and the east side is the least Republican-leaning (R+22), a spread of about 45 points.
Why Claremont 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 Claremont, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in Claremont hold a bachelor's degree, about 19 points below the Illinois average of 27%. Claremont runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Claremont, IL sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Claremont looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Claremont is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 70% of adults in Claremont have completed high school, below 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sumner, IL R+52
- Petrolia, IL R+62
- Calhoun, IL R+68
- Olney, IL R+43
- Bridgeport, IL R+58
- Helena, IL R+70
- Landes, IL R+67
- Dundas, IL R+64
- Parkersburg, IL R+68
- Birds, IL R+56
Cities with Similar Populations
- Bracey, VA R+42
- Doyline, LA R+68
- Hollandale, MS D+53
- Quinton, AL R+69
- Patrick, SC R+59
- Van Meter, IA R+31
- Godwin, NC R+40
- Monticello, WI R+8
- West Wyoming, PA R+20
- Bethel, PA R+55
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.