Center Moriches leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 83% of adults in Center Moriches typically vote, above the U.S. average of about 62%. Among adults in Center Moriches, ~32% vote Democratic, ~51% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Center Moriches compares
Among cities within 25 miles, Center Moriches leans more Republican than 66 of 89 neighbors.
Center Moriches runs about 35 points more Republican than New York as a whole. New York leans Democratic overall, while Center Moriches is one of the few Republican-leaning pockets.
Why Center Moriches 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 Center Moriches, not a ranked or complete list of what matters most.
Center Moriches 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. A high family-household share predicts Republican voting, and about 79% of households in Center Moriches are family households, above 88% of cities. Center Moriches runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Center Moriches, NY sits in the top quarter 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 Center Moriches looks the way it does
Homeowners vote more often than renters. About 91% of households in Center Moriches own their home, about 14 points above the New York average of 76%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Moriches, NY R+10
- East Moriches, NY R+24
- Mastic, NY R+15
- Manorville, NY R+28
- Mastic Beach, NY R+12
- Shirley, NY R+19
- Eastport, NY R+18
- Remsenburg, NY Even
- West Hampton Dunes, NY Even
- Speonk, NY R+4
Cities with Similar Populations
- Garrett, IN R+47
- Blandon, PA R+18
- East Taunton, MA R+11
- Mount Carmel, IL R+45
- Palmview South, TX R+5
- Newland, NC R+52
- Weldon Spring, MO R+23
- McGregor, FL R+21
- Glenarden, MD D+81
- Weiser, ID R+52
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.