Edwardsville, KS Political Map | Democrat & Republican Areas in Edwardsville

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

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

 

About 54% of adults in Edwardsville typically vote, below the U.S. average of about 62%. Among adults in Edwardsville, ~22% vote Democratic, ~32% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.

How Edwardsville compares

Among cities within 25 miles, Edwardsville leans more Republican than 41 of 80 neighbors.

Politically, Edwardsville sits close to the rest of Kansas.

Politics vary noticeably by neighborhood within Edwardsville. The northwest side is the most Republican-leaning (R+27) and the south side is the least Republican-leaning (R+9), a spread of about 18 points.

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

Edwardsville votes Republican even though it is densely developed (about 61%, far above the Kansas average of 19%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 85% of households in Edwardsville are family households, above 96% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Edwardsville, KS sits in the top tenth nationally on this measure.

Why turnout in Edwardsville looks the way it does

Turnout in Edwardsville 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.

Sources and methodology

Precinct-level voting records used to fit the model come from Kansas Secretary of State, 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.