Geneva, IL Political Map | Democrat & Republican Areas in Geneva

By the BestNeighborhood data science team. Last updated May 2026.

Geneva leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 

About 91% of adults in Geneva typically vote, above the U.S. average of about 62%. Among adults in Geneva, ~51% vote Democratic, ~40% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.

How Geneva compares

Among cities within 25 miles, Geneva leans more Democratic than 86 of 128 neighbors.

Politically, Geneva sits close to the rest of Illinois.

Politics vary noticeably by neighborhood within Geneva. The north side is the most Democratic-leaning (D+24) and the southeast side is the least Democratic-leaning (Even), a spread of about 22 points.

Why Geneva 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 Geneva, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 64% of adults in Geneva hold a bachelor's degree, about 35 points above the U.S. average of 28%. Dense areas vote Democratic, and Geneva sits in the top fifth on density (about 83%, above 95% of cities).

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Geneva, 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 Geneva looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Geneva is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Geneva have completed high school, above 92% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.