Murrysville, PA Political Map | Democrat & Republican Areas in Murrysville

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

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

 

About 97% of adults in Murrysville typically vote, above the U.S. average of about 62%. Among adults in Murrysville, ~42% vote Democratic, ~55% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.

How Murrysville compares

Among cities within 25 miles, Murrysville leans more Republican than 88 of 246 neighbors.

Murrysville runs about 13 points more Republican than Pennsylvania as a whole.

Politics vary noticeably by neighborhood within Murrysville. The northeast side is the most Republican-leaning (R+33) and the west side is the least Republican-leaning (R+7), a spread of about 26 points.

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

Murrysville votes Republican even though it is densely developed (about 48%, modestly above the Pennsylvania average of 33%). Here an older population outweighs the Democratic lean that density usually predicts. A high family-household share predicts Republican voting, and about 76% of households in Murrysville are family households, above 78% of cities.

High-school completion and voter turnout

Places with high-school-completion-heavy adults tend to turn out at a higher rate; Murrysville, PA sits in the top tenth nationally on this measure.

Why turnout in Murrysville looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Murrysville 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Murrysville own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Murrysville have completed high school, above 95% 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 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.