North Grafton, MA Political Map | Democrat & Republican Areas in North Grafton

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

North Grafton leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 

About 89% of adults in North Grafton typically vote, above the U.S. average of about 62%. Among adults in North Grafton, ~50% vote Democratic, ~39% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.

How North Grafton compares

Among cities within 25 miles, North Grafton leans more Democratic than 79 of 145 neighbors.

North Grafton runs about 14 points more Republican than Massachusetts as a whole.

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

Areas with high college attainment vote Democratic. About 55% of adults in North Grafton hold a bachelor's degree, about 27 points above the U.S. average of 28%. Dense areas vote Democratic, and North Grafton sits in the top fifth on density (about 47%, above 86% of cities).

Population density and Democratic lean

Places with high population density tend to lean Democratic; North Grafton, MA sits in the top quarter nationally on this measure.

Why turnout in North Grafton looks the way it does

Areas with strong routine healthcare access turn out at higher rates. North Grafton 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in North Grafton have completed high school, above 81% of cities. 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 Massachusetts Secretary of the Commonwealth, 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.