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

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

Merrilville leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.

 

About 68% of adults in Merrilville typically vote, above the U.S. average of about 62%. Among adults in Merrilville, ~29% vote Democratic, ~39% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.

How Merrilville compares

Among cities within 25 miles, Merrilville leans more Republican than 13 of 20 neighbors.

Merrilville runs about 27 points more Republican than New York as a whole. New York leans Democratic overall, while Merrilville is one of the few Republican-leaning pockets.

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

Rural areas vote Republican. About 3% of residents in Merrilville live in densely developed areas, about 33 points below the New York average of 36%. Merrilville 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; Merrilville, NY sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Merrilville looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Merrilville 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 64%, above 61% of cities. High high-school completion lines up with higher turnout, and about 96% of adults in Merrilville have completed high school, above 83% 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 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.