Harmon County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 75% of adults in Harmon County typically vote, above the U.S. average of about 62%. Among adults in Harmon County, ~18% vote Democratic, ~57% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Harmon County compares
Among counties within 50 miles, Harmon County leans more Republican than 1 of 8 neighbors.
Harmon County runs about 5 points more Republican than Oklahoma as a whole.
Politics vary noticeably by city within Harmon County. The southeast side is the most Republican-leaning (R+73) and the west side is the least Republican-leaning (R+50), a spread of about 22 points.
Why Harmon County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Harmon County. 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; Harmon County, OK sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Harmon County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Harmon County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Collingsworth County, TX R+56
- Childress County, TX R+57
- Greer County, OK R+67
- Hardeman County, TX R+60
- Jackson County, OK R+48
- Hall County, TX R+63
- Foard County, TX R+69
- Wheeler County, TX R+67
- Beckham County, OK R+67
- Wilbarger County, TX R+45
Counties with Similar Populations
- Hettinger County, ND R+69
- Wayne County, UT R+64
- Elk County, KS R+68
- Potter County, SD R+62
- Niobrara County, WY R+90
- Rich County, UT R+66
- Kiowa County, KS R+71
- Hamilton County, KS R+71
- Frontier County, NE R+74
- Schleicher County, TX R+44
All Local Stats
Home Services
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.