Uniondale is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 50% of adults in Uniondale typically vote, below the U.S. average of about 62%. Among adults in Uniondale, ~40% vote Democratic, ~10% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Uniondale compares
Among cities within 25 miles, Uniondale leans more Democratic than 207 of 212 neighbors.
Uniondale runs about 46 points more Democratic than New York as a whole.
Politics vary noticeably by neighborhood within Uniondale. The southeast side is the most Democratic-leaning (D+67) and the north side is the least Democratic-leaning (D+50), a spread of about 17 points.
Why Uniondale 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 Uniondale, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Uniondale live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 50% of adults in Uniondale have never been married, above 98% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Uniondale, 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 Uniondale looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Uniondale 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 32% of households in Uniondale rent, above 87% of cities. High food insecurity lines up with lower turnout, and about 24% of adults in Uniondale report food insecurity, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hempstead, NY D+56
- East Garden City, NY D+47
- Roosevelt, NY D+65
- East Meadow, NY R+9
- North Merrick, NY R+19
- North Bellmore, NY R+16
- Baldwin, NY D+40
- Garden City, NY R+16
- West Hempstead, NY D+4
- Salisbury, NY R+14
Cities with Similar Populations
- Forest Hills, MI Even
- Monroeville, PA D+20
- Leland, NC R+18
- Highland Park, IL D+50
- Shelbyville, KY R+26
- Oxford, OH D+16
- Wilsonville, OR D+21
- Wasco, CA Even
- Bristol, VA R+43
- Klamath Falls, OR R+22
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.