Lansdowne is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 72% of adults in Lansdowne typically vote, above the U.S. average of about 62%. Among adults in Lansdowne, ~61% vote Democratic, ~11% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Lansdowne compares
Among cities within 25 miles, Lansdowne leans more Democratic than 243 of 254 neighbors.
Lansdowne runs about 69 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Lansdowne sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Lansdowne. The northeast side is the most Democratic-leaning (D+73) and the northwest side is the least Democratic-leaning (D+62), a spread of about 11 points.
Why Lansdowne 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 Lansdowne, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in Lansdowne live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Lansdowne sits in the top quarter (about 35%, above 82% of cities). Lansdowne runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Lansdowne, PA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Lansdowne looks the way it does
Turnout in Lansdowne 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 Cities
- East Lansdowne, PA D+68
- Upper Darby, PA D+53
- Yeadon, PA D+86
- Aldan, PA D+40
- Drexel Hill, PA D+32
- Darby, PA D+80
- Millbourne, PA D+38
- Clifton Heights, PA D+19
- Collingdale, PA D+52
- Primos, PA D+21
Cities with Similar Populations
- Pawleys Island, SC R+36
- Clifton, VA D+19
- Wimauma, FL R+17
- Artesia, NM R+56
- Cleveland, MS D+22
- Fort Valley, GA D+30
- Coweta, OK R+45
- Telford, PA R+9
- Burtonsville, MD D+56
- New Hartford, NY R+4
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.