Washington leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 68% of adults in Washington typically vote, above the U.S. average of about 62%. Among adults in Washington, ~37% vote Democratic, ~31% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Washington compares
Among cities within 25 miles, Washington leans more Democratic than 30 of 37 neighbors.
Washington runs about 10 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Washington. The southwest side is the most Democratic-leaning (D+18) and the west side is the least Democratic-leaning (D+6), a spread of about 13 points.
Why Washington 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 Washington, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 34% of adults in Washington hold a bachelor's degree, about 5 points above the U.S. average of 28%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Washington, CA sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Washington looks the way it does
Turnout in Washington 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
- Emigrant Gap, CA R+12
- Baxter, CA R+35
- Alleghany, CA R+6
- Alta, CA R+36
- Dutch Flat, CA R+32
- North Columbia, CA D+32
- Gold Run, CA R+34
- Casa Loma, CA R+37
- Nevada City, CA D+24
Cities with Similar Populations
- Optimus, AR R+66
- Dry Forks, AL D+4
- Red Falls, NY R+32
- Claiborne, MD R+13
- Minerva, IA R+43
- Brazilton, KS R+63
- Stewart, KY R+60
- Praha, TX R+66
- Kent, PA R+56
- Silverwood, LA R+85
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Sources and methodology
Precinct-level voting records used to fit the model come from California 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.