Barren County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 67% of adults in Barren County typically vote, near the U.S. average of about 62%. Among adults in Barren County, ~17% vote Democratic, ~50% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Barren County compares
Among counties within 50 miles, Barren County leans more Republican than 2 of 20 neighbors.
Barren County runs about 19 points more Republican than Kentucky as a whole.
Politics vary noticeably by city within Barren County. The southeast side is the most Republican-leaning (R+64) and the east side is the least Republican-leaning (R+42), a spread of about 23 points.
Why Barren 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 Barren County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 69% of households in Barren County are family households, above 76% of counties.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Barren County, 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 Barren County looks the way it does
Turnout in Barren 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
- Metcalfe County, KY R+65
- Hart County, KY R+61
- Edmonson County, KY R+67
- Allen County, KY R+64
- Monroe County, KY R+69
- Warren County, KY R+16
- Green County, KY R+68
- Macon County, TN R+68
- Cumberland County, KY R+67
- Clay County, TN R+67
Counties with Similar Populations
- Jefferson County, PA R+55
- Stokes County, NC R+57
- McDowell County, NC R+50
- Stephenson County, IL R+14
- Kittitas County, WA R+8
- Phelps County, MO R+33
- Beaufort County, NC R+24
- Delaware County, NY R+17
- Douglas County, WI Even
- Callaway County, MO R+43
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.