Thomas County is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 66% of adults in Thomas County typically vote, near the U.S. average of about 62%. Among adults in Thomas County, ~11% vote Democratic, ~55% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Thomas County compares
Among counties within 50 miles, Thomas County leans more Republican than 3 of 7 neighbors.
Thomas County runs about 51 points more Republican than Kansas as a whole.
Politics vary noticeably by city within Thomas County. The southeast side is the most Republican-leaning (R+81) and the north side is the least Republican-leaning (R+68), a spread of about 13 points.
Why Thomas County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Thomas County. The lean here lands roughly where demographic data alone would predict.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Thomas County, KS sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Thomas County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Thomas County 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 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Thomas County have completed high school, above 95% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Logan County, KS R+67
- Rawlins County, KS R+73
- Sheridan County, KS R+79
- Sherman County, KS R+66
- Decatur County, KS R+65
- Gove County, KS R+77
- Cheyenne County, KS R+71
- Wallace County, KS R+83
- Dundy County, NE R+67
- Hitchcock County, NE R+77
Counties with Similar Populations
- San Augustine County, TX R+47
- Lemhi County, ID R+61
- Liberty County, FL R+45
- Power County, ID R+46
- Richardson County, NE R+55
- Pocahontas County, WV R+55
- Hamilton County, IL R+62
- Traill County, ND R+37
- Twiggs County, GA R+22
- Anderson County, KS R+58
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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.