Portland Mills is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 69% of adults in Portland Mills typically vote, above the U.S. average of about 62%. Among adults in Portland Mills, ~17% vote Democratic, ~51% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Portland Mills compares
Among cities within 25 miles, Portland Mills leans more Republican than 29 of 86 neighbors.
Portland Mills runs about 49 points more Republican than Pennsylvania as a whole.
Why Portland Mills 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 Portland Mills, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Portland Mills live in densely developed areas, about 31 points below the Pennsylvania average of 33%. A high white share with below-average college attainment predicts Republican voting, and Portland Mills fits that profile on both counts.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Portland Mills, PA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Portland Mills looks the way it does
Turnout in Portland Mills sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ridgway, PA R+35
- Montmorenci, PA R+50
- Shelvey, PA R+48
- Sugar Hill, PA R+61
- Munderf, PA R+57
- Rolfe, PA R+51
- Brockway, PA R+48
- Brockport, PA R+48
- Crenshaw, PA R+56
Cities with Similar Populations
- Tecopa, CA D+15
- Lucas, MO R+66
- Verdon, VA R+23
- Angora, NE R+78
- Burchard, MN R+56
- Prestwick, AL D+13
- Preston, WI R+36
- Cougar, WA R+36
- Hopewell, TX R+69
- Woodlawn, KS R+71
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.