Clinton County leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 71% of adults in Clinton County typically vote, above the U.S. average of about 62%. Among adults in Clinton County, ~19% vote Democratic, ~52% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Clinton County compares
Among counties within 50 miles, Clinton County leans more Republican than 5 of 10 neighbors.
Clinton County runs about 45 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by city within Clinton County. The southeast side is the most Republican-leaning (R+63) and the east side is the least Republican-leaning (R+47), a spread of about 16 points.
Why Clinton County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Clinton County. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Clinton County, PA sits above the national average on this measure.
Why turnout in Clinton County looks the way it does
Turnout in Clinton 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
- Lycoming County, PA R+34
- Union County, PA R+26
- Centre County, PA D+8
- Snyder County, PA R+50
- Mifflin County, PA R+58
- Juniata County, PA R+62
- Montour County, PA R+23
- Northumberland County, PA R+39
- Cameron County, PA R+47
- Tioga County, PA R+50
Counties with Similar Populations
- Steele County, MN R+22
- Natchitoches Parish, LA R+13
- Essex County, NY R+5
- Talbot County, MD Even
- Boone County, AR R+58
- Addison County, VT D+23
- Houghton County, MI D+5
- Bennington County, VT D+17
- Covington County, AL R+66
- Louisa County, VA R+32
Sources and methodology
Precinct-level voting records used to fit the model come from Pennsylvania Department of State, Bureau 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.