Mont Alto leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 63% of adults in Mont Alto typically vote, near the U.S. average of about 62%. Among adults in Mont Alto, ~17% vote Democratic, ~46% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Mont Alto compares
Among cities within 25 miles, Mont Alto leans more Republican than 61 of 117 neighbors.
Mont Alto runs about 45 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Mont Alto. The east side is the most Republican-leaning (R+59) and the south side is the least Republican-leaning (R+43), a spread of about 16 points.
Why Mont Alto 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 Mont Alto, not a ranked or complete list of what matters most.
Mont Alto votes Republican even though it is densely developed (about 72%, far above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Developed land and Democratic lean
Places with a heavily developed built environment tend to lean Democratic; Mont Alto, PA sits in the top tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Mont Alto looks the way it does
Turnout in Mont Alto sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Blue Ridge Summit, PA R+50
- Quincy, PA R+56
- South Mountain, PA R+62
- Fayetteville, PA R+40
- Waynesboro, PA R+41
- Glen Forney, PA R+50
- Cold Spring, PA R+47
- Polktown, PA R+54
- Caledonia Park, PA R+45
- Shady Grove, PA R+61
Cities with Similar Populations
- Hackleburg, AL R+84
- Thompson, ND R+44
- Summer Shade, KY R+69
- Romance, AR R+72
- Duncan Falls, OH R+60
- Colquitt, LA R+30
- Rockaway Beach, OR R+4
- Colchester, IL R+37
- West Kinderhook, MI R+34
- Paris, OH R+54
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.