Lyon County is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 64% of adults in Lyon County typically vote, near the U.S. average of about 62%. Among adults in Lyon County, ~14% vote Democratic, ~50% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Lyon County compares
Among counties within 50 miles, Lyon County leans more Republican than 7 of 18 neighbors.
Lyon County runs about 25 points more Republican than Kentucky as a whole.
Why Lyon 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 Lyon County, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 13% of residents in Lyon County live in densely developed areas, about 23 points below the U.S. average of 36%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Lyon County, KY sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Lyon County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lyon County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 59%, below 56% of counties. Homeowners vote more often than renters, and about 81% of households in Lyon County own their home, above 83% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Caldwell County, KY R+56
- Livingston County, KY R+64
- Crittenden County, KY R+68
- Marshall County, KY R+57
- Trigg County, KY R+56
- Hardin County, IL R+57
- McCracken County, KY R+30
- Calloway County, KY R+36
- Pope County, IL R+60
- Hopkins County, KY R+48
Counties with Similar Populations
- Jenkins County, GA R+20
- Turner County, SD R+53
- Gallatin County, KY R+57
- Monroe County, MO R+57
- Modoc County, CA R+44
- Benton County, IN R+49
- Oregon County, MO R+69
- Lucas County, IA R+44
- Sublette County, WY R+58
- Clearwater County, ID R+64
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.