Robertson County is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 67% of adults in Robertson County typically vote, near the U.S. average of about 62%. Among adults in Robertson County, ~13% vote Democratic, ~54% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Robertson County compares
Among counties within 50 miles, Robertson County leans more Republican than 20 of 27 neighbors.
Robertson County runs about 31 points more Republican than Kentucky as a whole.
Why Robertson 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 Robertson County, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 6% of residents in Robertson County live in densely developed areas, about 12 points below the Kentucky average of 18%. A high white share with below-average college attainment predicts Republican voting, and Robertson County fits that profile on both counts. A high family-household share predicts Republican voting, and about 70% of households in Robertson County are family households, above 80% of counties.
Population density and Republican lean
Places with low population density tend to lean Republican; Robertson County, KY sits in the bottom tenth nationally on this measure.
Why turnout in Robertson County looks the way it does
Turnout in Robertson County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Bracken County, KY R+58
- Nicholas County, KY R+60
- Mason County, KY R+42
- Harrison County, KY R+51
- Fleming County, KY R+61
- Pendleton County, KY R+62
- Bourbon County, KY R+37
- Brown County, OH R+61
- Bath County, KY R+61
- Grant County, KY R+62
Counties with Similar Populations
- Divide County, ND R+59
- Culberson County, TX R+18
- Greeley County, NE R+68
- Adams County, ND R+62
- Burke County, ND R+76
- Towner County, ND R+45
- Highland County, VA R+46
- Wichita County, KS R+59
- Quitman County, GA R+17
- Wrangell City and Borough, AK R+8
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.