Crum Lynne leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 60% of adults in Crum Lynne typically vote, near the U.S. average of about 62%. Among adults in Crum Lynne, ~34% vote Democratic, ~26% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Crum Lynne compares
Among cities within 25 miles, Crum Lynne leans more Democratic than 110 of 244 neighbors.
Crum Lynne runs about 14 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Crum Lynne sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Crum Lynne. The east side is the most Democratic-leaning (D+19) and the northeast side is the least Democratic-leaning (D+5), a spread of about 14 points.
Why Crum Lynne 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 Crum Lynne, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Crum Lynne live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 51% of adults in Crum Lynne have never been married, above 98% of cities. Crum Lynne runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Crum Lynne, PA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Crum Lynne looks the way it does
Renters vote less often than owners. About 44% of households in Crum Lynne rent, about 19 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 85% of adults in Crum Lynne have completed high school, below 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Woodlyn, PA D+17
- Ridley Park, PA R+3
- Folsom, PA R+7
- Parkside, PA D+22
- Chester, PA D+78
- Swarthmore, PA D+35
- Upland, PA D+35
- Wallingford, PA D+30
- Prospect Park, PA Even
- Essington, PA R+16
Cities with Similar Populations
- Ovid, MI R+30
- Onalaska, WA R+43
- Monrovia, IN R+59
- Eagle Lake, TX R+6
- Plains, PA R+9
- Weyers Cave, VA R+41
- Pride, LA R+65
- Hooks, TX R+54
- Pell Lake, WI R+27
- Amberley, OH D+20
All Local Stats
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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.