Langhorne is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 89% of adults in Langhorne typically vote, above the U.S. average of about 62%. Among adults in Langhorne, ~46% vote Democratic, ~43% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How Langhorne compares
Among cities within 25 miles, Langhorne leans more Democratic than 80 of 212 neighbors.
Langhorne runs about 6 points more Democratic than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Langhorne. The southeast side runs the most Democratic (D+17) and the southwest side runs the most Republican (R+9), a spread of about 27 points.
Why Langhorne leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Langhorne. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Langhorne, PA sits in the top tenth 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 Langhorne looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Langhorne 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Langhorne have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Langhorne Manor, PA D+3
- Penndel, PA D+9
- Hulmeville, PA R+12
- Woodbourne, PA D+7
- Fairless Hills, PA Even
- Levittown, PA R+2
- Feasterville-Trevose, PA R+10
- Bensalem, PA D+3
- Morrisville, PA D+17
- Newtown, PA D+7
Cities with Similar Populations
- Quakertown, PA R+15
- Oconomowoc, WI R+22
- Auburn, CA R+12
- Englewood, FL R+30
- Black Lick, OH D+23
- Anniston, AL R+9
- Coram, NY Even
- Happy Valley, OR D+20
- Azle, TX R+58
- Reidsville, NC R+15
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.