Westville leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 66% of adults in Westville typically vote, near the U.S. average of about 62%. Among adults in Westville, ~36% vote Democratic, ~30% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Westville compares
Among cities within 25 miles, Westville leans more Democratic than 106 of 241 neighbors.
Politically, Westville sits close to the rest of New Jersey.
Politics vary noticeably by neighborhood within Westville. The south side runs the most Democratic (D+21) and the west side runs the most Republican (R+6), a spread of about 27 points.
Why Westville 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 Westville, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 74% of residents in Westville live in densely developed areas, about 38 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in Westville have never been married, above 91% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Westville, NJ sits in the top tenth nationally on this measure.
Why turnout in Westville looks the way it does
Turnout in Westville 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
- Brooklawn, NJ D+5
- Woodbury, NJ D+9
- Bellmawr, NJ R+2
- Gloucester City, NJ D+4
- National Park, NJ R+14
- Mount Ephraim, NJ Even
- Thorofare, NJ Even
- Runnemede, NJ Even
- Woodbury Heights, NJ R+3
- Audubon Park, NJ D+8
Cities with Similar Populations
- Metropolis, IL R+40
- Fulton, MS R+66
- Pinehurst, TX R+49
- Cape Canaveral, FL R+18
- Albion, NY R+17
- Washington Terrace, UT R+16
- East York, PA Even
- Templeton, CA R+18
- Canton, NY D+14
- Pine Hill, NJ D+26
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.