Grayson County is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 70% of adults in Grayson County typically vote, above the U.S. average of about 62%. Among adults in Grayson County, ~13% vote Democratic, ~57% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Grayson County compares
Among counties within 50 miles, Grayson County leans more Republican than 11 of 16 neighbors.
Grayson County runs about 32 points more Republican than Kentucky as a whole.
Why Grayson 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 Grayson County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Grayson County, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 12 points below the U.S. average of 28%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Grayson County, KY sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Grayson County looks the way it does
Turnout in Grayson 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
- Edmonson County, KY R+67
- Breckinridge County, KY R+58
- Hart County, KY R+61
- Butler County, KY R+67
- Hardin County, KY R+27
- Ohio County, KY R+63
- Larue County, KY R+58
- Meade County, KY R+49
- Warren County, KY R+16
- Barren County, KY R+50
Counties with Similar Populations
- Mille Lacs County, MN R+42
- Clay County, IN R+52
- Decatur County, IN R+54
- Ashe County, NC R+47
- Lewis County, NY R+48
- Cass County, NE R+42
- Grady County, GA R+29
- Carter County, KY R+61
- Union County, OR R+33
- Oceana County, MI R+28
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Kentucky State Board of 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.