Cedar Brook is a Democratic stronghold. About 95% of voters here vote Democratic and 5% Republican.
About 78% of adults in Cedar Brook typically vote, above the U.S. average of about 62%. Among adults in Cedar Brook, ~74% vote Democratic, ~4% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Cedar Brook compares
Among neighborhoods within 5 miles, Cedar Brook is the most Democratic-leaning.
Cedar Brook runs about 92 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Cedar Brook sits clearly on the Democratic side.
Why Cedar Brook leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Cedar Brook, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Cedar Brook is about 3%, about 69 points below the U.S. average of 72%. Cedar Brook 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; Cedar Brook, Philadelphia, PA sits in the top quarter 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 Cedar Brook looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Cedar Brook 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 61%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Wyndmoor, Glenside, PA D+57
- Mount Airy, Philadelphia, PA D+88
- Oak Lane, Philadelphia, PA D+87
- Chestnut Hill, Philadelphia, PA D+71
- Germantown, Philadelphia, PA D+87
- Logan-Ogontz-Fern Rock, Philadelphia, PA D+85
- Olney, Philadelphia, PA D+68
- Roxborough, Philadelphia, PA D+40
- East Falls, Philadelphia, PA D+75
- Manayunk, Philadelphia, PA D+56
Neighborhoods with Similar Populations
- Midway, Escondido, CA D+14
- Visitacion Valley, San Francisco, CA D+36
- Southeast, Canal Winchester, OH D+33
- Forest Hill, Newark, NJ D+33
- Sand Lake, Anchorage, AK D+19
- Wharton-Hawthorne-Bella Vista, Philadelphia, PA D+60
- Rochdale Village, Queens, NY D+83
- South Baton Rouge, Baton Rouge, LA D+12
- Urbandale-Parkdale, Dallas, TX D+48
- West Park, Irvine, CA D+14
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.