Green Tree leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 87% of adults in Green Tree typically vote, above the U.S. average of about 62%. Among adults in Green Tree, ~48% vote Democratic, ~39% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Green Tree compares
Among cities within 25 miles, Green Tree leans more Democratic than 192 of 243 neighbors.
Green Tree runs about 11 points more Democratic than Pennsylvania as a whole.
Why Green Tree leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Green Tree, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in Green Tree live in densely developed areas, about 52 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Green Tree sits in the top quarter (about 51%, above 94% of cities). A high never-married share predicts Democratic voting, and about 31% of adults in Green Tree have never been married, above 79% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Green Tree, PA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Green Tree looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Green Tree 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 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Green Tree have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Crafton, PA D+19
- Dormont, PA D+39
- Rosslyn Farms, PA D+16
- Ingram, PA D+14
- Thornburg, PA D+18
- Carnegie, PA D+7
- Heidelberg, PA D+10
- Mount Oliver, PA D+41
- Castle Shannon, PA D+10
- Presto, PA R+5
Cities with Similar Populations
- Unicoi, TN R+59
- Bridgeport, OH R+43
- Clinton, LA R+21
- Meadows Place, TX Even
- Denmark, WI R+41
- Lisbon, ME R+23
- Duncanville, AL R+59
- Byesville, OH R+52
- Alexandria, AL R+70
- Gillsville, GA R+54
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.