Deer Park is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 67% of adults in Deer Park typically vote, near the U.S. average of about 62%. Among adults in Deer Park, ~32% vote Democratic, ~35% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Deer Park compares
Among cities within 25 miles, Deer Park leans more Republican than 88 of 212 neighbors.
Deer Park runs about 17 points more Republican than New York as a whole. New York leans Democratic overall, while Deer Park is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Deer Park. The southeast side runs the most Democratic (D+30) and the north side runs the most Republican (R+19), a spread of about 50 points.
Why Deer 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 Deer Park, not a ranked or complete list of what matters most.
Deer Park votes against the grain of New York. New York leans Democratic overall, while Deer Park runs about 17 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Deer Park, NY sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Deer Park looks the way it does
Turnout in Deer Park 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
- North Babylon, NY R+9
- Wyandanch, NY D+50
- Baywood, NY D+8
- Dix Hills, NY R+4
- West Babylon, NY R+7
- North Bay Shore, NY D+25
- West Islip, NY R+34
- Bay Shore, NY D+7
- Brightwaters, NY R+9
- Babylon, NY R+14
Cities with Similar Populations
- West Springfield Town, MA D+5
- Kingsville, TX R+4
- Rahway, NJ D+37
- Forest Grove, OR D+10
- Woodway, TX R+30
- Corbin, KY R+60
- Gulf Breeze, FL R+43
- Sugar Hill, GA R+4
- Moscow, ID D+15
- Fremont, NE R+26
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.