Peapack and Gladstone is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 84% of adults in Peapack and Gladstone typically vote, above the U.S. average of about 62%. Among adults in Peapack and Gladstone, ~42% vote Democratic, ~42% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Peapack and Gladstone compares
Among cities within 25 miles, Peapack and Gladstone sits roughly in the middle of the political spectrum, with 120 neighbors leaning further in the place's direction and 105 leaning the other way.
Peapack and Gladstone runs about 6 points more Republican than New Jersey as a whole.
Why Peapack and Gladstone leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Peapack and Gladstone. 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; Peapack and Gladstone, NJ sits in the top quarter nationally on this measure.
Why turnout in Peapack and Gladstone looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Peapack and Gladstone 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%. High high-school completion lines up with higher turnout, and about 98% of adults in Peapack and Gladstone have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Far Hills, NJ R+5
- Gladstone, NJ R+15
- Pottersville, NJ R+10
- Bernardsville, NJ Even
- Bedminster, NJ D+8
- Lamington, NJ R+13
- Chester, NJ R+7
- Basking Ridge, NJ D+11
- Mendham, NJ Even
- Oldwick, NJ R+4
Cities with Similar Populations
- New Alexandria, PA R+48
- Crane, MO R+65
- North Kingsville, OH R+30
- Long Neck, DE R+20
- Eastanollee, GA R+70
- Woodcreek, TX R+20
- Crystal Falls, MI R+24
- Anson, TX R+59
- Litchfield, MI R+53
- Lake City, AR R+67
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.