Lancaster leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 83% of adults in Lancaster typically vote, above the U.S. average of about 62%. Among adults in Lancaster, ~36% vote Democratic, ~47% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Lancaster compares
Among cities within 25 miles, Lancaster leans more Republican than 26 of 102 neighbors.
Lancaster runs about 26 points more Republican than New York as a whole. New York leans Democratic overall, while Lancaster is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Lancaster. The southeast side is the most Republican-leaning (R+23) and the northwest side is the least Republican-leaning (R+9), a spread of about 15 points.
Why Lancaster 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 Lancaster, not a ranked or complete list of what matters most.
Lancaster votes Republican even though it is densely developed (about 76%, far above the New York average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Lancaster runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Lancaster, NY sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Lancaster looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lancaster 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
- DePew, NY R+8
- Bowmansville, NY R+11
- Town Line, NY R+28
- Elma, NY R+26
- Harris Hill, NY Even
- Wende, NY R+28
- Cheektowaga, NY D+11
- Clarence, NY R+9
- Williamsville, NY D+32
- West Seneca, NY R+8
Cities with Similar Populations
- Elkhorn, NE R+17
- Locust Grove, GA D+2
- Ozark, MO R+47
- Palm City, FL R+33
- Aberdeen, SD R+31
- Algonquin, IL Even
- Chillum, MD D+63
- Christiansburg, VA R+14
- Wisconsin Rapids, WI R+18
- North Andover, MA D+18
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.