Addison is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 66% of adults in Addison typically vote, near the U.S. average of about 62%. Among adults in Addison, ~13% vote Democratic, ~53% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Addison compares
Among cities within 25 miles, Addison leans more Republican than 68 of 123 neighbors.
Addison runs about 58 points more Republican than Pennsylvania as a whole.
Why Addison leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Addison. 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; Addison, 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 Addison looks the way it does
Turnout in Addison sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Listonburg, PA R+62
- Selbysport, MD R+53
- Harnedsville, PA R+63
- Ursina Junction, PA R+62
- Confluence, PA R+56
- Ursina, PA R+51
- Markleysburg, PA R+58
- Engle Mill, MD R+52
- Friendsville, MD R+56
- Flat Rock, PA R+55
Cities with Similar Populations
- Island Ford, VA R+55
- Tumbling, TN R+73
- Sumac, TN R+63
- Manda, TX D+4
- Mount Olive, KY R+64
- Cadwell, IL R+67
- Bakersville, OH R+68
- Beverly Beach, FL R+39
- Godahl, MN R+49
- West Coffeyville, KS R+49
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.