Dennis, OK Political Map | Democrat & Republican Areas in Dennis

Dennis is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.

 
Dennis, OK block-group political-lean map
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About 61% of adults in Dennis typically vote, near the U.S. average of about 62%. Among adults in Dennis, ~11% vote Democratic, ~50% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.

Dennis, OK block-group voter-turnout map
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How Dennis compares

Among cities within 25 miles, Dennis leans more Republican than 30 of 46 neighbors.

Dennis runs about 14 points more Republican than Oklahoma as a whole.

Politics vary noticeably by neighborhood within Dennis. The southeast side is the most Republican-leaning (R+69) and the northeast side is the least Republican-leaning (R+54), a spread of about 14 points.

Why Dennis leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Dennis. The lean here lands roughly where demographic data alone would predict.

Walkability and Republican lean

Places with a low walkability score tend to lean Republican; Dennis, OK sits in the bottom quarter 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 Dennis looks the way it does

Areas with low high-school completion turn out at lower rates. About 84% of adults in Dennis have completed high school, about 6 points below the U.S. average of 90%. Limited routine healthcare access lines up with lower turnout, and Dennis sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 20% of adults in Dennis report food insecurity, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.

Nearby Cities

Cities with Similar Populations

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Sources and methodology

Precinct-level voting records used to fit the model come from Oklahoma State Election Board, 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.