18466 leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 68% of adults in 18466 typically vote, above the U.S. average of about 62%. Among adults in 18466, ~45% vote Democratic, ~23% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 18466 compares
Among zip codes within 15 miles, 18466 is the most Democratic-leaning.
18466 runs about 33 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 18466 sits clearly on the Democratic side.
Politics vary noticeably by block within 18466. The north side is the most Democratic-leaning (D+41) and the west side is the least Democratic-leaning (D+5), a spread of about 36 points.
Why 18466 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 18466, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 18466 is about 34%, about 38 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 34% of adults in 18466 have never been married, above 76% of zip codes. 18466 runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 18466, PA sits in the top quarter nationally on this measure.
Why turnout in 18466 looks the way it does
Turnout in 18466 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.