Merion Station is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 93% of adults in Merion Station typically vote, above the U.S. average of about 62%. Among adults in Merion Station, ~74% vote Democratic, ~19% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Merion Station compares
Among cities within 25 miles, Merion Station leans more Democratic than 239 of 254 neighbors.
Merion Station runs about 60 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Merion Station sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Merion Station. The northwest side is the most Democratic-leaning (D+68) and the southeast side is the least Democratic-leaning (D+43), a spread of about 25 points.
Why Merion Station 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 Merion Station, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 84% of adults in Merion Station hold a bachelor's degree, about 56 points above the U.S. average of 28%. Dense areas vote Democratic, and Merion Station sits in the top fifth on density (more than 99%, in the top fraction of cities). Merion Station 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; Merion Station, PA sits in the top tenth nationally on this measure.
Why turnout in Merion Station looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Merion Station 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Merion Station have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bala-Cynwyd, PA D+44
- Narberth, PA D+54
- Wynnewood, PA D+61
- Ardmore, PA D+53
- Millbourne, PA D+38
- Upper Darby, PA D+53
- Haverford, PA D+50
- Gladwyne, PA D+32
- Havertown, PA D+22
- East Lansdowne, PA D+68
Cities with Similar Populations
- Colbert, GA R+45
- Sheppard Afb, TX R+11
- Woodville, TX R+56
- Bloomer, WI R+34
- Mahanoy City, PA R+7
- Algona, IA R+34
- Laingsburg, MI R+24
- Dequincy, LA R+63
- West Milton, OH R+49
- Port Isabel, TX R+6
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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.