Shirleysburg is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 67% of adults in Shirleysburg typically vote, near the U.S. average of about 62%. Among adults in Shirleysburg, ~11% vote Democratic, ~56% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Shirleysburg compares
Among cities within 25 miles, Shirleysburg leans more Republican than 68 of 122 neighbors.
Shirleysburg runs about 67 points more Republican than Pennsylvania as a whole.
Why Shirleysburg 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 Shirleysburg, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Shirleysburg, about 99% of residents are non-Hispanic white, about 27 points above the U.S. average of 72%; about 7% of adults hold a bachelor's degree, about 19 points below the Pennsylvania average of 26%. Rural areas vote Republican, and Shirleysburg sits in the bottom quarter on density (about 5%, below 76% of cities).
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as Shirleysburg, PA does.
Why turnout in Shirleysburg looks the way it does
Turnout in Shirleysburg sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Aughwick, PA R+66
- Orbisonia, PA R+66
- Rockhill Furnace, PA R+74
- Rockhill, PA R+60
- Mapleton Depot, PA R+70
- Mount Union, PA R+49
- Mapleton, PA R+69
- Silver Ford Heights, PA R+67
- Pogue, PA R+74
- Blairs Mills, PA R+68
Cities with Similar Populations
- Sparr, MI R+42
- Tri-Lakes, IN R+54
- Uriah, AL R+75
- Buffalo Valley, TN R+66
- Poquott, NY D+11
- Hillsboro, GA R+47
- Charenton, LA R+38
- Midway, AL D+67
- Hecker, IL R+53
- Tygh Valley, OR R+42
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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.