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

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

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

 

About 95% of adults in Oak Park typically vote, above the U.S. average of about 62%. Among adults in Oak Park, ~56% vote Democratic, ~39% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.

How Oak Park compares

Oak Park runs about 35 points more Democratic than Kansas as a whole. Kansas leans Republican overall, while Oak Park is one of the few Democratic-leaning pockets.

Why Oak Park leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Oak Park, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Oak Park live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Oak Park sits in the top quarter (about 62%, above 83% of neighborhoods). Oak Park runs against the grain of Kansas, a Democratic-leaning pocket in a Republican-leaning state.

Developed land and Democratic lean

Places with a heavily developed built environment tend to lean Democratic; Oak Park, Overland Park, KS sits in the top quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Oak Park looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Oak 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Oak Park own their home, compared to around 62% in nearby neighborhoods. High high-school completion lines up with higher turnout, and more than 99% of adults in Oak Park have completed high school, above 93% of neighborhoods. 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.