Selinsgrove leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 75% of adults in Selinsgrove typically vote, above the U.S. average of about 62%. Among adults in Selinsgrove, ~28% vote Democratic, ~47% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Selinsgrove compares
Among cities within 25 miles, Selinsgrove leans more Republican than 3 of 136 neighbors.
Selinsgrove runs about 24 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Selinsgrove. The northwest side is the most Republican-leaning (R+51) and the south side is the least Republican-leaning (R+8), a spread of about 43 points.
Why Selinsgrove 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 Selinsgrove, not a ranked or complete list of what matters most.
Selinsgrove votes Republican even though it is densely developed (about 56%, well above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Selinsgrove, PA sits in the top 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 Selinsgrove looks the way it does
Turnout in Selinsgrove 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
- Hummels Wharf, PA R+39
- Kratzerville, PA R+54
- Shamokin Dam, PA R+36
- Mile Run, PA R+56
- Winfield, PA R+42
- Freeburg, PA R+52
- Dundore, PA R+66
- Sunbury, PA R+34
- Kreamer, PA R+62
Cities with Similar Populations
- Pulaski, TN R+44
- Guymon, OK R+33
- Clarksville, AR R+46
- Danville, IN R+38
- Broadlands, VA D+21
- Cocoa Beach, FL R+21
- Scottsville, KY R+62
- Forest Hill, TX D+55
- Boonville, IN R+40
- Myerstown, PA R+48
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.