Lewisberry leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 85% of adults in Lewisberry typically vote, above the U.S. average of about 62%. Among adults in Lewisberry, ~26% vote Democratic, ~59% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Lewisberry compares
Among cities within 25 miles, Lewisberry leans more Republican than 77 of 141 neighbors.
Lewisberry runs about 36 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Lewisberry. The southeast side is the most Republican-leaning (R+50) and the northeast side is the least Republican-leaning (R+26), a spread of about 25 points.
Why Lewisberry 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 Lewisberry, not a ranked or complete list of what matters most.
Lewisberry votes Republican even though it is densely developed (about 26%, modestly below the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 76% of households in Lewisberry are family households, above 78% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Lewisberry, PA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Lewisberry looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lewisberry 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 67%, about 7 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Lewisberry own their home, compared to around 73% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Erney, PA R+43
- Etters, PA R+33
- New Cumberland, PA R+9
- Lower Allen, PA Even
- York Haven, PA R+39
- Grantham, PA D+22
- Steelton, PA D+40
- Highspire, PA D+7
- Bressler, PA D+12
Cities with Similar Populations
- Cochituate, MA D+43
- Glen Head, NY R+12
- Monessen, PA D+4
- Goodrich, MI R+31
- Valatie, NY D+3
- Booneville, AR R+65
- Taylor Mill, KY R+22
- Jones, OK R+38
- Mount Pleasant, TN R+52
- Oakmont, PA D+21
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.