18954 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 96% of adults in 18954 typically vote, above the U.S. average of about 62%. Among adults in 18954, ~43% vote Democratic, ~53% Republican, and ~4% don't vote. The map below shows estimated turnout by block group.
How 18954 compares
Among zip codes within 15 miles, 18954 leans more Republican than 67 of 68 neighbors.
18954 runs about 9 points more Republican than Pennsylvania as a whole.
Why 18954 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 18954, not a ranked or complete list of what matters most.
18954 votes Republican even though it is densely developed (about 83%, far above 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 90% of households in 18954 are family households, in the top fraction of zip codes.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 18954, PA sits in the top tenth nationally on this measure.
Why turnout in 18954 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 18954 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 98% of households in 18954 own their home, compared to around 83% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 18954 have completed high school, above 93% of zip codes. 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.