Clementon leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 57% of adults in Clementon typically vote, near the U.S. average of about 62%. Among adults in Clementon, ~38% vote Democratic, ~19% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Clementon compares
Among cities within 25 miles, Clementon leans more Democratic than 182 of 224 neighbors.
Clementon runs about 29 points more Democratic than New Jersey as a whole.
Politics vary noticeably by neighborhood within Clementon. The east side is the most Democratic-leaning (D+48) and the northwest side is the least Democratic-leaning (D+12), a spread of about 36 points.
Why Clementon 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 Clementon, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 78% of residents in Clementon live in densely developed areas, about 42 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 44% of adults in Clementon have never been married, above 96% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Clementon, NJ sits in the top tenth nationally 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 Clementon looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Clementon is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 54% of households in Clementon rent, compared to around 33% in nearby cities. High food insecurity lines up with lower turnout, and about 23% of adults in Clementon report food insecurity, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Laurel Springs, NJ D+11
- Lindenwold, NJ D+36
- Stratford, NJ D+12
- Pine Hill, NJ D+26
- Hi-Nella, NJ D+20
- Somerdale, NJ D+17
- Gibbsboro, NJ Even
- Pine Valley, NJ Even
- Echelon, NJ D+31
- Magnolia, NJ D+13
Cities with Similar Populations
- Marrero, LA D+20
- Moorpark, CA D+8
- Indian Trail, NC R+15
- Marion, IN R+24
- Lauderdale Lakes, FL D+71
- Grass Valley, CA D+5
- Hopkinsville, KY R+13
- Michigan City, IN D+12
- Mount Laurel, NJ D+22
- Fenton, MO R+18
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.