Mine Hill is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 76% of adults in Mine Hill typically vote, above the U.S. average of about 62%. Among adults in Mine Hill, ~37% vote Democratic, ~39% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Mine Hill compares
Among cities within 25 miles, Mine Hill sits roughly in the middle of the political spectrum, with 98 neighbors leaning further in the place's direction and 126 leaning the other way.
Mine Hill runs about 9 points more Republican than New Jersey as a whole.
Why Mine Hill leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mine Hill. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Mine Hill, NJ sits in the top quarter nationally on this measure.
Why turnout in Mine Hill looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mine Hill 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Kenvil, NJ R+13
- Dover, NJ D+11
- Wharton, NJ Even
- Randolph, NJ D+7
- Hurdtown, NJ R+21
- Victory Gardens, NJ D+19
- Mount Arlington, NJ R+5
- Succasunna, NJ R+16
- Ledgewood, NJ R+9
- Landing, NJ R+14
Cities with Similar Populations
- Columbus, TX R+37
- Penngrove, CA D+27
- Danville, NH R+12
- Petersburg, IL R+32
- Vacherie, LA D+21
- Point Pleasant Beach, NJ R+20
- Hiawassee, GA R+54
- Munroe Falls, OH Even
- Ivanhoe, CA R+2
- East Harwich, MA D+16
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.