Glendon, PA Political Map | Democrat & Republican Areas in Glendon

By the BestNeighborhood data science team. Last updated May 2026.

Glendon leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.

 

About 97% of adults in Glendon typically vote, above the U.S. average of about 62%. Among adults in Glendon, ~42% vote Democratic, ~55% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.

How Glendon compares

Among cities within 25 miles, Glendon leans more Republican than 69 of 158 neighbors.

Glendon runs about 13 points more Republican than Pennsylvania as a whole.

Why Glendon 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 Glendon, not a ranked or complete list of what matters most.

Glendon votes Republican even though it is densely developed (about 37%, above 83% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Glendon, PA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Glendon looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Glendon 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Glendon own their home, compared to around 74% in nearby cities. Learn more about the findings and methodology on the political spectrum map.

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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.