Richmond leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 85% of adults in Richmond typically vote, above the U.S. average of about 62%. Among adults in Richmond, ~37% vote Democratic, ~48% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Richmond compares
Among cities within 25 miles, Richmond leans more Republican than 73 of 132 neighbors.
Richmond runs about 25 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Richmond is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Richmond. The southwest side is the most Republican-leaning (R+25) and the north side is the least Republican-leaning (R+12), a spread of about 13 points.
Why Richmond 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 Richmond, not a ranked or complete list of what matters most.
Richmond votes Republican even though it is densely developed (about 23%, modestly below the Illinois average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Richmond runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Richmond, IL does.
Why turnout in Richmond looks the way it does
Turnout in Richmond sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Solon Mills, IL R+20
- Spring Grove, IL R+23
- Genoa City, WI R+30
- Twin Lakes, WI R+27
- Ringwood, IL R+25
- Pistakee Highlands, IL R+14
- Johnsburg, IL R+19
- Powers Lake, WI R+32
- Pell Lake, WI R+27
Cities with Similar Populations
- Leonard, MI R+36
- Pekin, IN R+59
- Ticonderoga, NY R+15
- Valparaiso, FL R+41
- Prentiss, MS D+25
- North Terre Haute, IN R+28
- New Baden, IL R+37
- East Palatka, FL R+48
- Charlotte Hall, MD R+38
- Leo, IN R+47
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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.