Lebanon County leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 75% of adults in Lebanon County typically vote, above the U.S. average of about 62%. Among adults in Lebanon County, ~26% vote Democratic, ~49% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Lebanon County compares
Among counties within 50 miles, Lebanon County leans more Republican than 7 of 13 neighbors.
Lebanon County runs about 29 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by city within Lebanon County. The northwest side is the most Republican-leaning (R+56) and the south side is the least Republican-leaning (R+22), a spread of about 35 points.
Why Lebanon County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Lebanon County, not a ranked or complete list of what matters most.
Lebanon County 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; Lebanon County, 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 Lebanon County looks the way it does
Turnout in Lebanon County 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 Counties
- Dauphin County, PA D+12
- Lancaster County, PA R+17
- Berks County, PA R+8
- Schuylkill County, PA R+36
- York County, PA R+21
- Cumberland County, PA R+9
- Perry County, PA R+52
- Northumberland County, PA R+39
- Snyder County, PA R+50
- Montour County, PA R+23
Counties with Similar Populations
- Jackson County, MS R+30
- Taylor County, TX R+36
- Schuylkill County, PA R+36
- Randolph County, NC R+46
- Sussex County, NJ R+23
- Livingston Parish, LA R+66
- Douglas County, GA D+28
- Rock Island County, IL D+12
- Coconino County, AZ D+21
- Wright County, MN R+28
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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.