Tioga County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 74% of adults in Tioga County typically vote, above the U.S. average of about 62%. Among adults in Tioga County, ~18% vote Democratic, ~55% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Tioga County compares
Among counties within 50 miles, Tioga County leans more Republican than 6 of 8 neighbors.
Tioga County runs about 48 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by city within Tioga County. The northeast side is the most Republican-leaning (R+58) and the east side is the least Republican-leaning (R+37), a spread of about 21 points.
Why Tioga County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Tioga County. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Tioga County, PA sits below the national average 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 Tioga County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Tioga 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 63%, above 67% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Chemung County, NY R+14
- Steuben County, NY R+32
- Bradford County, PA R+49
- Potter County, PA R+58
- Lycoming County, PA R+34
- Schuyler County, NY R+23
- Sullivan County, PA R+50
- Clinton County, PA R+46
- Allegany County, NY R+39
- Tioga County, NY R+27
Counties with Similar Populations
- Clatsop County, OR D+6
- Cheatham County, TN R+55
- Preble County, OH R+58
- Isanti County, MN R+34
- Warren County, TN R+62
- Williams County, ND R+61
- Upshur County, TX R+67
- Shawano County, WI R+35
- Tallapoosa County, AL R+39
- Tift County, GA R+22
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.