Cliffside Park leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 55% of adults in Cliffside Park typically vote, below the U.S. average of about 62%. Among adults in Cliffside Park, ~29% vote Democratic, ~26% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Cliffside Park compares
Among cities within 25 miles, Cliffside Park leans more Democratic than 185 of 328 neighbors.
Politically, Cliffside Park sits close to the rest of New Jersey.
Politics vary noticeably by neighborhood within Cliffside Park. The south side runs the most Democratic (D+10) and the west side runs the most Republican (R+4), a spread of about 14 points.
Why Cliffside Park 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 Cliffside Park, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Cliffside Park live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Cliffside Park sits in the top quarter (about 41%, above 88% of cities). A high never-married share predicts Democratic voting, and about 31% of adults in Cliffside Park have never been married, above 76% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Cliffside Park, NJ sits in the top tenth 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 Cliffside Park looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Cliffside Park is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 49% of households in Cliffside Park rent, about 24 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 7% of homes in Cliffside Park have more than one occupant per room, above 92% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Edgewater, NJ D+29
- Fairview, NJ D+4
- Ridgefield, NJ Even
- Palisades Park, NJ D+4
- Fort Lee, NJ D+16
- Guttenberg, NJ D+20
- North Bergen, NJ D+6
- West New York, NJ D+12
- Leonia, NJ D+23
- Ridgefield Park, NJ D+7
Cities with Similar Populations
- Maumelle, AR D+11
- Byron Center, MI R+21
- Dahlonega, GA R+43
- Steubenville, OH R+15
- Douglas, GA R+22
- Wyandotte, MI R+6
- Festus, MO R+42
- Waukee, IA Even
- Marietta, OH R+29
- Duncan, OK R+51
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.