Cortlandt Manor, NY Political Map | Democrat & Republican Areas in Cortlandt Manor

By the BestNeighborhood data science team. Last updated May 2026.

Cortlandt Manor is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.

 

About 78% of adults in Cortlandt Manor typically vote, above the U.S. average of about 62%. Among adults in Cortlandt Manor, ~41% vote Democratic, ~37% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.

How Cortlandt Manor compares

Among cities within 25 miles, Cortlandt Manor leans more Democratic than 108 of 189 neighbors.

Cortlandt Manor runs about 9 points more Republican than New York as a whole.

Politics vary noticeably by neighborhood within Cortlandt Manor. The southwest side runs the most Democratic (D+18) and the northeast side runs the most Republican (R+6), a spread of about 24 points.

Why Cortlandt Manor leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Cortlandt Manor. The lean here lands roughly where demographic data alone would predict.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Cortlandt Manor, 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 Cortlandt Manor looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Cortlandt Manor 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 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.

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.