18056 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 64% of adults in 18056 typically vote, near the U.S. average of about 62%. Among adults in 18056, ~22% vote Democratic, ~42% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 18056 compares
Among zip codes within 15 miles, 18056 leans more Republican than 45 of 54 neighbors.
18056 runs about 30 points more Republican than Pennsylvania as a whole.
Why 18056 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 18056, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in 18056 are family households, about 10 points above the U.S. average of 67%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 18056, PA sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 18056 looks the way it does
Turnout in 18056 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 Zip Codes
Zip Codes with Similar Populations
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.