Castleton On Hudson is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 84% of adults in Castleton On Hudson typically vote, above the U.S. average of about 62%. Among adults in Castleton On Hudson, ~41% vote Democratic, ~43% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Castleton On Hudson compares
Among cities within 25 miles, Castleton On Hudson sits roughly in the middle of the political spectrum, with 55 neighbors leaning further in the place's direction and 76 leaning the other way.
Castleton On Hudson runs about 14 points more Republican than New York as a whole. New York leans Democratic overall, while Castleton On Hudson sits closer to the political middle.
Politics vary noticeably by neighborhood within Castleton On Hudson. The west side runs the most Democratic (D+8) and the southeast side runs the most Republican (R+6), a spread of about 14 points.
Why Castleton On Hudson 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 Castleton On Hudson, not a ranked or complete list of what matters most.
Castleton On Hudson votes against the grain of New York. New York leans Democratic overall, while Castleton On Hudson runs about 14 points more Republican.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Castleton On Hudson, NY sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Castleton On Hudson looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Castleton On Hudson 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cedar Hill, NY D+9
- East Schodack, NY R+10
- East Greenbush, NY D+10
- Schodack Landing, NY R+5
- Nassau, NY R+10
- Coeymans, NY R+17
- Selkirk, NY Even
- Glenmont, NY D+30
- North Chatham, NY D+14
Cities with Similar Populations
- Elizabethtown, NC R+2
- Elmore, AL R+48
- Blountsville, AL R+82
- Atlantic, IA R+34
- Centralia, MO R+36
- Halifax, PA R+51
- Alamo Heights, TX D+7
- Hilmar, CA R+48
- St. James, MO R+48
- Lincroft, NJ R+25
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.