Avalon leans heavily Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 75% of adults in Avalon typically vote, above the U.S. average of about 62%. Among adults in Avalon, ~49% vote Democratic, ~26% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Avalon compares
Among cities within 25 miles, Avalon leans more Democratic than 209 of 228 neighbors.
Avalon runs about 33 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Avalon sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Avalon. The south side is the most Democratic-leaning (D+34) and the northeast side is the least Democratic-leaning (D+24), a spread of about 10 points.
Why Avalon 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 Avalon, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in Avalon live in densely developed areas, about 56 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Avalon sits in the top quarter (about 36%, above 84% of cities). A high never-married share predicts Democratic voting, and about 48% of adults in Avalon have never been married, above 97% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Avalon, PA sits in the top tenth nationally on this measure.
Why turnout in Avalon looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Avalon have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bellevue, PA D+38
- Ben Avon Heights, PA D+17
- Ben Avon, PA D+37
- Emsworth, PA D+12
- West View, PA D+10
- Mckees Rocks, PA D+15
- Glenfield, PA R+2
- Ingram, PA D+14
- Crafton, PA D+19
- Thornburg, PA D+18
Cities with Similar Populations
- Welsh, LA R+58
- Rock Hill, MO D+47
- Carey, OH R+50
- Stillwater, NY R+18
- New Holstein, WI R+42
- Elk Ridge, UT R+60
- New Plymouth, ID R+65
- Greenwood Lake, NY R+13
- Chauvin, LA R+75
- Bayside, WI D+35
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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.