Dennis is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 56% of adults in Dennis typically vote, below the U.S. average of about 62%. Among adults in Dennis, ~11% vote Democratic, ~45% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Dennis compares
Among cities within 25 miles, Dennis leans more Republican than 13 of 38 neighbors.
Dennis runs about 45 points more Republican than Kansas as a whole.
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.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Dennis, KS does.
Why turnout in Dennis looks the way it does
Crowded housing lines up with lower turnout. About 8% of homes in Dennis have more than one occupant per room, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Parsons, KS R+25
- Thayer, KS R+67
- Winway, KS R+44
- Galesburg, KS R+66
- Mound Valley, KS R+61
- Cherryvale, KS R+59
- Corbin, KS R+66
- South Mound, KS R+66
- Altamont, KS R+57
- Urbana, KS R+66
Cities with Similar Populations
- Cranberry, PA R+55
- Riddleton, TN R+67
- Forum, AR R+61
- Frisco, NC R+30
- Richwood, MN R+26
- Nabb, IN R+59
- Hamrick, NC R+41
- Ellenton, GA R+72
- Blanchard, WA R+7
- New Woodstock, NY R+8
All Local Stats
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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.