Griggstown leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 82% of adults in Griggstown typically vote, above the U.S. average of about 62%. Among adults in Griggstown, ~51% vote Democratic, ~31% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Griggstown compares
Among cities within 25 miles, Griggstown leans more Democratic than 164 of 199 neighbors.
Griggstown runs about 19 points more Democratic than New Jersey as a whole.
Why Griggstown 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 Griggstown, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 58% of adults in Griggstown hold a bachelor's degree, about 30 points above the U.S. average of 28%. Dense areas vote Democratic, and Griggstown sits in the top fifth on density (about 32%, above 81% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Griggstown, NJ sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Griggstown looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Griggstown 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 73%, about 13 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pleasant Plains, NJ D+22
- Franklin Park, NJ D+39
- Millstone, NJ D+6
- East Rocky Hill, NJ D+16
- Kendall Park, NJ D+17
- Belle Mead, NJ D+25
- Harlingen, NJ D+22
- Heathcote, NJ D+32
- Rocky Hill, NJ D+41
- Monmouth Junction, NJ D+23
Cities with Similar Populations
- Pulpit Harbor, ME D+24
- Genoa, CO R+59
- Lima, MT R+63
- Hopson, KY R+62
- Simmonsville, VA R+64
- Custer, MT R+72
- La Mesilla, NM D+58
- Hillsboro, PA R+57
- Hardinville, IL R+58
- St. Anna, MN R+64
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.