Portland, NY Political Map | Democrat & Republican Areas in Portland

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

Portland leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.

 

About 70% of adults in Portland typically vote, above the U.S. average of about 62%. Among adults in Portland, ~26% vote Democratic, ~44% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

How Portland compares

Among cities within 25 miles, Portland leans more Republican than 21 of 69 neighbors.

Portland runs about 39 points more Republican than New York as a whole. New York leans Democratic overall, while Portland is one of the few Republican-leaning pockets.

Why Portland 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 Portland, not a ranked or complete list of what matters most.

Portland votes against the grain of New York. New York leans Democratic overall, while Portland runs about 39 points more Republican.

Adult arthritis and voter turnout

Places with a low adult-arthritis rate tend to turn out at a higher rate; Portland, NY sits in the bottom quarter nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.

Why turnout in Portland looks the way it does

Turnout in Portland sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.