Grady County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 63% of adults in Grady County typically vote, near the U.S. average of about 62%. Among adults in Grady County, ~13% vote Democratic, ~50% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Grady County compares
Among counties within 50 miles, Grady County leans more Republican than 5 of 8 neighbors.
Grady County runs about 9 points more Republican than Oklahoma as a whole.
Politics vary noticeably by city within Grady County. The southeast side is the most Republican-leaning (R+73) and the west side is the least Republican-leaning (R+42), a spread of about 32 points.
Why Grady County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Grady County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 72% of households in Grady County are family households, about 6 points above the U.S. average of 67%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Grady County, OK sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Grady County looks the way it does
Turnout in Grady County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- McClain County, OK R+60
- Cleveland County, OK R+14
- Canadian County, OK R+37
- Caddo County, OK R+54
- Oklahoma County, OK D+6
- Garvin County, OK R+61
- Stephens County, OK R+58
- Comanche County, OK R+18
- Pottawatomie County, OK R+49
- Logan County, OK R+45
Counties with Similar Populations
- Camden County, GA R+35
- Loudon County, TN R+53
- Jefferson County, TN R+61
- Seneca County, OH R+35
- Franklin County, VA R+46
- Lenoir County, NC Even
- Dickson County, TN R+55
- Saline County, KS R+26
- Hancock County, ME D+5
- Watauga County, NC D+6
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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.