Overland Park, KS Political Map | Democrat & Republican Areas in Overland Park

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

Overland Park leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.

 

About 75% of adults in Overland Park typically vote, above the U.S. average of about 62%. Among adults in Overland Park, ~44% vote Democratic, ~31% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.

How Overland Park compares

Among cities within 25 miles, Overland Park leans more Democratic than 69 of 80 neighbors.

Overland Park runs about 33 points more Democratic than Kansas as a whole. Kansas leans Republican overall, while Overland Park is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Overland Park. The northeast side is the most Democratic-leaning (D+29) and the southwest side is the least Democratic-leaning (D+6), a spread of about 23 points.

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

Dense areas vote Democratic. About 97% of residents in Overland Park live in densely developed areas, about 61 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Overland Park sits in the top quarter (about 62%, above 97% of cities). Overland Park runs against the grain of Kansas, a Democratic-leaning pocket in a Republican-leaning state.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Overland Park, KS sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Overland Park looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Overland Park 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 Overland Park 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 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.