Merchantville leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 58% of adults in Merchantville typically vote, near the U.S. average of about 62%. Among adults in Merchantville, ~38% vote Democratic, ~20% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Merchantville compares
Among cities within 25 miles, Merchantville leans more Democratic than 189 of 238 neighbors.
Merchantville runs about 26 points more Democratic than New Jersey as a whole.
Politics vary noticeably by neighborhood within Merchantville. The southwest side is the most Democratic-leaning (D+42) and the north side is the least Democratic-leaning (D+23), a spread of about 19 points.
Why Merchantville 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 Merchantville, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 97% of residents in Merchantville live in densely developed areas, about 61 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 43% of adults in Merchantville have never been married, above 95% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Merchantville, NJ sits in the top tenth nationally on this measure.
Why turnout in Merchantville looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Merchantville 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 30% of households in Merchantville rent, above 84% of cities. High food insecurity lines up with lower turnout, and about 22% of adults in Merchantville report food insecurity, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pennsauken, NJ D+44
- Golden Triangle, NJ D+28
- Cherry Hill Mall, NJ D+26
- Collingswood, NJ D+47
- Camden, NJ D+64
- Maple Shade, NJ D+15
- Woodlynne, NJ D+51
- Oaklyn, NJ D+40
- Cherry Hill, NJ D+26
- Haddonfield, NJ D+41
Cities with Similar Populations
- Mooresville, IN R+47
- Sartell, MN R+18
- DeFuniak Springs, FL R+50
- Easton, MD D+4
- Ellijay, GA R+59
- Del City, OK D+6
- Sycamore, IL Even
- Sunnyside, WA D+4
- Columbia Heights, MN D+35
- Warrenton, VA R+7
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.