Tenafly leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 75% of adults in Tenafly typically vote, above the U.S. average of about 62%. Among adults in Tenafly, ~48% vote Democratic, ~28% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Tenafly compares
Among cities within 25 miles, Tenafly leans more Democratic than 256 of 318 neighbors.
Tenafly runs about 21 points more Democratic than New Jersey as a whole.
Politics vary noticeably by neighborhood within Tenafly. The southwest side is the most Democratic-leaning (D+32) and the southeast side is the least Democratic-leaning (D+21), a spread of about 11 points.
Why Tenafly 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 Tenafly, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 79% of adults in Tenafly hold a bachelor's degree, about 51 points above the U.S. average of 28%. Dense areas vote Democratic, and Tenafly sits in the top fifth on density (about 94%, above 97% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Tenafly, NJ sits in the top tenth nationally on this measure.
Why turnout in Tenafly looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Tenafly 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Tenafly have completed high school, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cresskill, NJ Even
- Bergenfield, NJ D+8
- Dumont, NJ Even
- Englewood, NJ D+36
- DeMarest, NJ D+15
- Haworth, NJ D+10
- Englewood Cliffs, NJ Even
- New Milford, NJ D+3
- Alpine, NJ Even
- Teaneck, NJ D+27
Cities with Similar Populations
- Mastic, NY R+15
- Fort Drum, NY R+3
- New Kensington, PA R+8
- Morgan City, LA R+36
- San Anselmo, CA D+60
- Orange Park, FL R+23
- Ellenton, FL R+19
- Corning, CA R+31
- Lamont, CA D+15
- Sarasota Springs, FL R+15
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.