Jefferson leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 81% of adults in Jefferson typically vote, above the U.S. average of about 62%. Among adults in Jefferson, ~22% vote Democratic, ~59% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Jefferson compares
Among cities within 25 miles, Jefferson leans more Republican than 119 of 200 neighbors.
Jefferson runs about 44 points more Republican than Pennsylvania as a whole.
Why Jefferson leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Jefferson. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Jefferson, PA sits in the top 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 Jefferson looks the way it does
Homeowners vote more often than renters. About 91% of households in Jefferson own their home, about 11 points above the Pennsylvania average of 79%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mather, PA R+47
- Lippincott, PA R+51
- Clarksville, PA R+41
- Pitt Gas, PA R+42
- Ruff Creek, PA R+51
- Marianna, PA R+47
- Rices Landing, PA R+41
- Waynesburg, PA R+29
- West Waynesburg, PA R+52
Cities with Similar Populations
- Algoma, MS R+74
- Glen Alpine, NC R+43
- Milford, UT R+59
- Friendship, MD R+14
- El Nido, CA R+54
- Newcastle, ME D+16
- Sandoval, IL R+53
- Hardy, AR R+60
- Hamburg, MI R+16
- Francestown, NH Even
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.