Belvidere leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 78% of adults in Belvidere typically vote, above the U.S. average of about 62%. Among adults in Belvidere, ~29% vote Democratic, ~49% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Belvidere compares
Among cities within 25 miles, Belvidere leans more Republican than 114 of 156 neighbors.
Belvidere runs about 33 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Belvidere is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Belvidere. The east side is the most Republican-leaning (R+40) and the northwest side is the least Republican-leaning (R+14), a spread of about 26 points.
Why Belvidere 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 Belvidere, not a ranked or complete list of what matters most.
Belvidere votes Republican even though it is densely developed (about 35%, well below the New Jersey average of 61%). Here an older population outweighs the Democratic lean that density usually predicts. Belvidere runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Belvidere, NJ sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Belvidere looks the way it does
Turnout in Belvidere 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
- Summerfield, NJ R+41
- Bridgeville, NJ R+41
- Buttzville, NJ R+37
- Oxford, NJ R+28
- Hutchinson, NJ R+43
- Delaware, NJ R+40
- Mount Bethel, PA R+31
- Broadway, NJ R+35
- Washington, NJ R+14
- Port Colden, NJ R+23
Cities with Similar Populations
- Carrizo Springs, TX R+5
- Melrose, FL R+56
- Carmi, IL R+52
- Southeast Arcadia, FL R+24
- Blakely, GA D+5
- Riverdale Park, MD D+56
- Elm Grove, WI D+10
- Gap, PA R+50
- Cumberland Center, ME D+22
- Sudden Valley, WA D+43
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.