Mount Morris, PA Political Map | Democrat & Republican Areas in Mount Morris

Mount Morris is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.

 
Mount Morris, PA block-group political-lean map
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About 67% of adults in Mount Morris typically vote, near the U.S. average of about 62%. Among adults in Mount Morris, ~15% vote Democratic, ~52% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.

Mount Morris, PA block-group voter-turnout map
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How Mount Morris compares

Among cities within 25 miles, Mount Morris leans more Republican than 130 of 182 neighbors.

Mount Morris runs about 54 points more Republican than Pennsylvania as a whole.

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

Areas with a high white share and below-average college attainment vote Republican. In Mount Morris, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 13% of adults hold a bachelor's degree, about 13 points below the Pennsylvania average of 26%. Car-dependent areas vote Republican, and about 86% of residents in Mount Morris drive to work alone, above 84% of cities.

Foreign-born share and voter turnout

Places with a low foreign-born share tend to turn out in mixed patterns; Mount Morris, PA sits in the bottom quarter nationally on this measure.

Why turnout in Mount Morris looks the way it does

Turnout in Mount Morris sits close to the national pattern. 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 Pennsylvania Department of State, Bureau 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.