98019 leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 90% of adults in 98019 typically vote, above the U.S. average of about 62%. Among adults in 98019, ~53% vote Democratic, ~37% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How 98019 compares
Among zip codes within 15 miles, 98019 leans more Democratic than 5 of 26 neighbors.
Politically, 98019 sits close to the rest of Washington.
Politics vary noticeably by block within 98019. The south side is the most Democratic-leaning (D+27) and the northeast side is the least Democratic-leaning (Even), a spread of about 26 points.
Why 98019 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 98019, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 53% of adults in 98019 hold a bachelor's degree, about 24 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 98019 is about 70%, below 68% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 98019, WA sits in the top quarter nationally on this measure.
Why turnout in 98019 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 98019 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in 98019 own their home, above 87% of zip codes. High high-school completion lines up with higher turnout, and about 96% of adults in 98019 have completed high school, above 82% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
Sources and methodology
Precinct-level voting records used to fit the model come from Washington 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.