West Peoria leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 66% of adults in West Peoria typically vote, near the U.S. average of about 62%. Among adults in West Peoria, ~42% vote Democratic, ~24% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How West Peoria compares
Among cities within 25 miles, West Peoria leans more Democratic than 81 of 82 neighbors.
West Peoria runs about 15 points more Democratic than Illinois as a whole.
Politics vary noticeably by neighborhood within West Peoria. The north side runs the most Democratic (D+33) and the southwest side runs the most Republican (R+18), a spread of about 51 points.
Why West Peoria 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 West Peoria, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in West Peoria live in densely developed areas, about 56 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in West Peoria have never been married, above 86% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; West Peoria, IL sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in West Peoria looks the way it does
Turnout in West Peoria 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
- Bellevue, IL R+14
- Peoria, IL D+31
- Norwood, IL R+21
- Bartonville, IL R+16
- Creve Coeur, IL R+25
- Peoria Heights, IL D+11
- East Peoria, IL R+23
- Marquette Heights, IL R+31
- North Pekin, IL R+31
Cities with Similar Populations
- Coleman, TX R+54
- Euharlee, GA R+65
- Loudon, NH R+17
- Mohawk, NY R+28
- Durham, CA R+23
- Granby, CO R+3
- Riva, MD D+5
- Lathrup Village, MI D+74
- Montezuma, GA D+37
- Grawn, MI R+20
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.