Carter County leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 58% of adults in Carter County typically vote, near the U.S. average of about 62%. Among adults in Carter County, ~16% vote Democratic, ~42% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Carter County compares
Among counties within 50 miles, Carter County leans more Republican than 1 of 10 neighbors.
Politically, Carter County sits close to the rest of Oklahoma.
Politics vary noticeably by city within Carter County. The southwest side is the most Republican-leaning (R+69) and the east side is the least Republican-leaning (R+28), a spread of about 41 points.
Why Carter County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Carter County. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Carter County, OK sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Carter County looks the way it does
Renters vote less often than owners. About 33% of households in Carter County rent, about 8 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Love County, OK R+64
- Murray County, OK R+59
- Marshall County, OK R+56
- Johnston County, OK R+65
- Garvin County, OK R+61
- Jefferson County, OK R+68
- Cooke County, TX R+57
- Stephens County, OK R+58
- Bryan County, OK R+54
- Grayson County, TX R+43
Counties with Similar Populations
- Bingham County, ID R+54
- Whitman County, WA D+16
- Shelby County, KY R+32
- Greene County, NY R+13
- Le Flore County, OK R+63
- Crittenden County, AR D+22
- Shelby County, OH R+58
- Boyd County, KY R+38
- Santa Cruz County, AZ D+17
- Lincoln Parish, LA R+13
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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.