Succasunna leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 92% of adults in Succasunna typically vote, above the U.S. average of about 62%. Among adults in Succasunna, ~39% vote Democratic, ~53% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Succasunna compares
Among cities within 25 miles, Succasunna leans more Republican than 131 of 206 neighbors.
Succasunna runs about 21 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Succasunna is one of the few Republican-leaning pockets.
Why Succasunna 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 Succasunna, not a ranked or complete list of what matters most.
Succasunna votes Republican even though it is densely developed (about 71%, modestly above the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 87% of households in Succasunna are family households, above 98% of cities. Succasunna runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Succasunna, NJ sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Succasunna looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Succasunna is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in Succasunna own their home, compared to around 78% in nearby cities. High high-school completion lines up with higher turnout, and about 96% of adults in Succasunna have completed high school, above 87% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ledgewood, NJ R+9
- Kenvil, NJ R+13
- Flanders, NJ R+6
- Mine Hill, NJ R+3
- Netcong, NJ R+6
- Landing, NJ R+14
- Mount Arlington, NJ R+5
- Randolph, NJ D+7
- Chester, NJ R+7
- Budd Lake, NJ Even
Cities with Similar Populations
- Princeton, IN R+41
- Lambertville, MI R+25
- Commerce, TX R+7
- Forestdale, AL D+72
- Fort Scott, KS R+41
- Coffeyville, KS R+31
- Fairdale, KY R+27
- Carl Junction, MO R+47
- Lonoke, AR R+47
- Center Valley, PA Even
All Local Stats
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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.