Harriman leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 71% of adults in Harriman typically vote, above the U.S. average of about 62%. Among adults in Harriman, ~39% vote Democratic, ~32% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Harriman compares
Among cities within 25 miles, Harriman leans more Democratic than 161 of 195 neighbors.
Politically, Harriman sits close to the rest of New York.
Politics vary noticeably by neighborhood within Harriman. The northwest side runs the most Democratic (D+25) and the south side runs the most Republican (R+3), a spread of about 28 points.
Why Harriman 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 Harriman, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 67% of residents in Harriman live in densely developed areas, about 30 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Harriman sits in the top quarter (about 50%, above 94% of cities). A high never-married share predicts Democratic voting, and about 37% of adults in Harriman have never been married, above 90% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Harriman, NY 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 Harriman looks the way it does
Turnout in Harriman sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Monroe, NY R+8
- Arden, NY Even
- Kiryas Joel, NY R+91
- Central Valley, NY R+11
- South Blooming Grove, NY R+46
- Highland Mills, NY R+12
- Southfields, NY R+3
- Greycourt, NY R+7
- Sugar Loaf, NY R+7
- Chester, NY R+7
Cities with Similar Populations
- Myakka City, FL R+57
- Scotland Neck, NC D+39
- Lake Village, AR R+11
- Harbor, OR R+9
- Paonia, CO Even
- Benton, PA R+51
- Ethridge, TN R+74
- Suggs Creek, TN R+46
- Section, AL R+79
- Brookline Station, MO R+36
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from New York State Board 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.