Mount Washington leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 76% of adults in Mount Washington typically vote, above the U.S. average of about 62%. Among adults in Mount Washington, ~53% vote Democratic, ~23% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Mount Washington compares
Among neighborhoods within 5 miles, Mount Washington leans more Democratic than 10 of 32 neighbors.
Mount Washington runs about 42 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Mount Washington sits clearly on the Democratic side.
Politics vary noticeably by block within Mount Washington. The west side is the most Democratic-leaning (D+45) and the south side is the least Democratic-leaning (D+34), a spread of about 11 points.
Why Mount Washington 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 Mount Washington, not a ranked or complete list of what matters most.
Mount Washington votes against the grain of Pennsylvania. Pennsylvania is roughly evenly split, while Mount Washington runs about 42 points more Democratic. High college attainment predicts Democratic voting, and Mount Washington sits in the top quarter (about 55%, above 76% of neighborhoods). A high never-married share predicts Democratic voting, and about 61% of adults in Mount Washington have never been married, above 94% of neighborhoods.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Mount Washington, Pittsburgh, PA sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Mount Washington looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mount Washington 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 64%, above 57% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Bluff, Pittsburgh, PA D+48
- Knoxville, Pittsburgh, PA D+59
- Central Business District, Pittsburgh, PA D+55
- Beechview, Pittsburgh, PA D+34
- Southside Flats, Pittsburgh, PA D+55
- Southside Slopes, Pittsburgh, PA D+42
- Central Northside, Pittsburgh, PA D+74
- Banksville, Pittsburgh, PA D+20
- Brookline, Pittsburgh, PA D+23
- Westwood, Pittsburgh, PA D+20
Neighborhoods with Similar Populations
- Avalon Highlands, Chicago, IL D+84
- Bagley Downs, Vancouver, WA D+20
- Crescent Hill, Louisville, KY D+46
- South Beaverton, Beaverton, OR D+41
- Old Seminol Heights, Tampa, FL D+36
- Los Angeles Heights-Keystone, San Antonio, TX D+36
- Elvira, Summit, AZ D+40
- Harvest Bend, Houston, TX D+5
- Cedar Hills, Cedar Rapids, IA D+20
- Twain, Iowa City, IA D+44
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.