Philadelphia leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 69% of adults in Philadelphia typically vote, above the U.S. average of about 62%. Among adults in Philadelphia, ~30% vote Democratic, ~39% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Philadelphia compares
Among cities within 25 miles, Philadelphia leans more Republican than 10 of 63 neighbors.
Philadelphia runs about 8 points more Democratic than Mississippi as a whole.
Politics vary noticeably by neighborhood within Philadelphia. The northwest side runs the most Democratic (D+38) and the southeast side runs the most Republican (R+65), a spread of about 103 points.
Why Philadelphia 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 Philadelphia, not a ranked or complete list of what matters most.
Philadelphia votes Republican even though it is densely developed (about 35%, well above the Mississippi average of 15%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Philadelphia, MS sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Philadelphia looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Philadelphia is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 8%, about 52 points below the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Longino, MS R+79
- Deemer, MS R+68
- Ocobla, MS R+46
- Spring Creek, MS R+74
- Burnside, MS R+58
- Sandtown, MS R+44
- McDonald, MS R+75
- Trapp, MS R+9
- Linwood, MS R+80
- Pearl River, MS D+12
Cities with Similar Populations
- Archdale, NC R+38
- Walden, NY R+11
- Port Clinton, OH R+23
- Los Alamitos, CA Even
- Palmer Town, MA R+11
- Moulton, AL R+74
- Keyport, NJ R+6
- Cascades, VA D+28
- Cheraw, SC Even
- Oxford, GA R+23
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Sources and methodology
Precinct-level voting records used to fit the model come from Mississippi Secretary of State, 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.