Vandergrift leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 67% of adults in Vandergrift typically vote, near the U.S. average of about 62%. Among adults in Vandergrift, ~24% vote Democratic, ~43% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Vandergrift compares
Among cities within 25 miles, Vandergrift leans more Republican than 81 of 215 neighbors.
Vandergrift runs about 27 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Vandergrift. The northeast side is the most Republican-leaning (R+55) and the east side is the least Republican-leaning (R+16), a spread of about 39 points.
Why Vandergrift 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 Vandergrift, not a ranked or complete list of what matters most.
Vandergrift votes Republican even though it is densely developed (about 59%, well above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Vandergrift sits in the bottom quarter (about 14%, below 82% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Vandergrift, 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 Vandergrift looks the way it does
Turnout in Vandergrift 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 Cities
- East Vandergrift, PA R+16
- North Apollo, PA R+37
- Hyde Park, PA R+30
- Oklahoma, PA R+31
- Leechburg, PA R+37
- West Leechburg, PA R+31
- Apollo, PA R+41
- Spring Church, PA R+56
- Godfrey, PA R+49
- Cochrans Mills, PA R+61
Cities with Similar Populations
- Monona, WI D+58
- Gray, ME Even
- Salem, AL R+57
- Flagler Beach, FL R+37
- Maylene, AL R+34
- St. Augustine Shores, FL R+23
- Aurora, IN R+53
- Glennville, GA R+42
- Laurel Hill, VA D+40
- Basehor, KS R+30
All Local Stats
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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.