Mason County leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 71% of adults in Mason County typically vote, above the U.S. average of about 62%. Among adults in Mason County, ~21% vote Democratic, ~50% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Mason County compares
Among counties within 50 miles, Mason County leans more Republican than 7 of 23 neighbors.
Mason County runs about 12 points more Republican than Kentucky as a whole.
Politics vary noticeably by city within Mason County. The southeast side is the most Republican-leaning (R+61) and the northeast side is the least Republican-leaning (R+13), a spread of about 48 points.
Why Mason County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mason County. The lean here lands roughly where demographic data alone would predict.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Mason County, KY sits below the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Mason County looks the way it does
Turnout in Mason 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
- Robertson County, KY R+61
- Fleming County, KY R+61
- Bracken County, KY R+58
- Adams County, OH R+64
- Nicholas County, KY R+60
- Brown County, OH R+61
- Lewis County, KY R+66
- Pendleton County, KY R+62
- Harrison County, KY R+51
- Bath County, KY R+61
Counties with Similar Populations
- Mariposa County, CA R+16
- Chickasaw County, MS R+12
- Tama County, IA R+25
- Cooper County, MO R+46
- Franklin County, AR R+64
- Henry County, AL R+45
- Arkansas County, AR R+33
- Dallas County, MO R+66
- Morgan County, WV R+56
- Park County, MT R+14
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.