Guernsey County is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 71% of adults in Guernsey County typically vote, above the U.S. average of about 62%. Among adults in Guernsey County, ~18% vote Democratic, ~53% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Guernsey County compares
Among counties within 50 miles, Guernsey County leans more Republican than 6 of 17 neighbors.
Guernsey County runs about 39 points more Republican than Ohio as a whole.
Politics vary noticeably by city within Guernsey County. The southeast side is the most Republican-leaning (R+63) and the west side is the least Republican-leaning (R+37), a spread of about 26 points.
Why Guernsey 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 Guernsey County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Guernsey County, about 93% of residents are non-Hispanic white, about 21 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 8 points below the Ohio average of 23%.
Foreign-born share and voter turnout
Places with a low foreign-born share tend to turn out in mixed patterns; Guernsey County, OH sits in the bottom quarter nationally on this measure.
Why turnout in Guernsey County looks the way it does
Turnout in Guernsey 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
- Noble County, OH R+55
- Muskingum County, OH R+41
- Coshocton County, OH R+54
- Monroe County, OH R+63
- Tuscarawas County, OH R+48
- Morgan County, OH R+55
- Harrison County, OH R+56
- Belmont County, OH R+45
- Perry County, OH R+56
- Holmes County, OH R+72
Counties with Similar Populations
- Susquehanna County, PA R+45
- Dallas County, AL D+38
- Woodford County, IL R+40
- Finney County, KS R+25
- Graham County, AZ R+39
- Brown County, SD R+35
- Warren County, PA R+41
- Defiance County, OH R+43
- Colleton County, SC R+17
- Isle of Wight County, VA R+17
Sources and methodology
Precinct-level voting records used to fit the model come from Ohio Secretary of State, 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.