Munster, IN Political Map | Democrat & Republican Areas in Munster

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

Munster leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.

 

About 77% of adults in Munster typically vote, above the U.S. average of about 62%. Among adults in Munster, ~41% vote Democratic, ~36% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.

How Munster compares

Among cities within 25 miles, Munster leans more Democratic than 64 of 112 neighbors.

Munster runs about 25 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while Munster is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Munster. The northwest side is the most Democratic-leaning (D+15) and the southwest side is the least Democratic-leaning (Even), a spread of about 15 points.

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

Dense areas vote Democratic. About 98% of residents in Munster live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Munster sits in the top quarter (about 50%, above 94% of cities). Munster runs against the grain of Indiana, a Democratic-leaning pocket in a Republican-leaning state.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Munster, IN sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Munster looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Munster 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 68%, about 8 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Munster have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.

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Sources and methodology

Precinct-level voting records used to fit the model come from Indiana Secretary of State, 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.