Grayson, KY Political Map | Democrat & Republican Areas in Grayson

By the BestNeighborhood data science team. Last updated May 2026.

Grayson is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.

 

About 69% of adults in Grayson typically vote, above the U.S. average of about 62%. Among adults in Grayson, ~15% vote Democratic, ~54% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.

How Grayson compares

Among cities within 25 miles, Grayson leans more Republican than 20 of 101 neighbors.

Grayson runs about 27 points more Republican than Kentucky as a whole.

Politics vary noticeably by neighborhood within Grayson. The south side is the most Republican-leaning (R+69) and the north side is the least Republican-leaning (R+48), a spread of about 21 points.

Why Grayson leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Grayson, not a ranked or complete list of what matters most.

Grayson votes Republican even though it is densely developed (about 25%, modestly above the Kentucky average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Grayson, KY sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Grayson looks the way it does

Turnout in Grayson 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.

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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.