12603 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 76% of adults in 12603 typically vote, above the U.S. average of about 62%. Among adults in 12603, ~44% vote Democratic, ~32% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 12603 compares
Among zip codes within 15 miles, 12603 leans more Democratic than 25 of 33 neighbors.
Politically, 12603 sits close to the rest of New York.
Politics vary noticeably by block within 12603. The northwest side runs the most Democratic (D+46) and the southeast side runs the most Republican (R+7), a spread of about 53 points.
Why 12603 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 12603, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 47% of adults in 12603 hold a bachelor's degree, about 18 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 12603 is about 64%, below 74% of zip codes. A high never-married share predicts Democratic voting, and about 34% of adults in 12603 have never been married, above 77% of zip codes.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 12603, NY sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 12603 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 12603 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.