Portertown leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 41% of adults in Portertown typically vote, below the U.S. average of about 62%. Among adults in Portertown, ~14% vote Democratic, ~27% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.
How Portertown compares
Among cities within 25 miles, Portertown leans more Republican than 159 of 183 neighbors.
Portertown runs about 39 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Portertown is one of the few Republican-leaning pockets.
Why Portertown 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 Portertown, not a ranked or complete list of what matters most.
Portertown votes against the grain of New Jersey. New Jersey leans Democratic overall, while Portertown runs about 39 points more Republican.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Portertown, NJ sits in the top quarter 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 Portertown looks the way it does
Low high-school completion lines up with lower turnout, and about 85% of adults in Portertown have completed high school, below 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sharptown, NJ R+26
- Woodstown, NJ R+12
- Penton, NJ R+33
- Yorktown, NJ R+24
- Pointers, NJ R+34
- Marshalltown, NJ R+33
- Marlton Heights, NJ R+18
- Alloway, NJ R+35
- Quinton, NJ R+32
- Harrisonville, NJ R+28
Cities with Similar Populations
- Nebo, LA R+94
- Tawawa, OH R+72
- Sanbourn, PA R+63
- White Bluff, MS R+72
- Rossland City, AL R+82
- Texas, NY R+35
- Conde, SD R+51
- Exmoor, AL R+50
- Lair, KY R+55
- North Shapleigh, ME R+31
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Sources and methodology
Precinct-level voting records used to fit the model come from New Jersey Division 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.