Upper Lehigh leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 92% of adults in Upper Lehigh typically vote, above the U.S. average of about 62%. Among adults in Upper Lehigh, ~34% vote Democratic, ~58% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Upper Lehigh compares
Among cities within 25 miles, Upper Lehigh leans more Republican than 46 of 167 neighbors.
Upper Lehigh runs about 25 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Upper Lehigh. The northeast side is the most Republican-leaning (R+39) and the southwest side is the least Republican-leaning (R+26), a spread of about 13 points.
Why Upper Lehigh 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 Upper Lehigh, not a ranked or complete list of what matters most.
Upper Lehigh votes Republican even though it is densely developed (about 35%, above 83% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Upper Lehigh, PA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Upper Lehigh looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Upper Lehigh 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 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Upper Lehigh own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Upper Lehigh have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sand Spring, PA R+36
- Freeland, PA R+30
- Drifton, PA R+45
- Drums, PA R+33
- Lattimer, PA R+33
- Springtown, PA R+36
- Milnesville, PA R+30
- Hazle Township, PA R+46
- Hazleton, PA R+18
Cities with Similar Populations
- Yulan, NY Even
- Pratum, OR R+41
- Guild, TN R+52
- Grandview, AR R+56
- Harriet, AR R+71
- Genoa, AR R+77
- Sturgeon, TX R+80
- Wasco, OR R+56
- Hutton Valley, MO R+70
- Silver City, IA R+41
All Local Stats
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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.