North Riverside, IL Political Map | Democrat & Republican Areas in North Riverside

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

North Riverside leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 

About 74% of adults in North Riverside typically vote, above the U.S. average of about 62%. Among adults in North Riverside, ~44% vote Democratic, ~30% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.

How North Riverside compares

Among cities within 25 miles, North Riverside leans more Democratic than 89 of 167 neighbors.

North Riverside runs about 7 points more Democratic than Illinois as a whole.

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

Dense areas vote Democratic. About 94% of residents in North Riverside live in densely developed areas, about 57 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and North Riverside sits in the top quarter (about 43%, above 89% of cities). A high never-married share predicts Democratic voting, and about 35% of adults in North Riverside have never been married, above 88% of cities.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; North Riverside, IL sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in North Riverside looks the way it does

Areas with high high-school completion turn out at higher rates. About 97% of adults in North Riverside have completed high school, about 7 points above the U.S. average of 90%. Limited routine healthcare access lines up with lower turnout, and North Riverside sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

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.