98387 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 67% of adults in 98387 typically vote, near the U.S. average of about 62%. Among adults in 98387, ~32% vote Democratic, ~35% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 98387 compares
Among zip codes within 15 miles, 98387 leans more Republican than 32 of 43 neighbors.
98387 runs about 22 points more Republican than Washington as a whole. Washington leans Democratic overall, while 98387 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 98387. The north side runs the most Democratic (D+2) and the south side runs the most Republican (R+17), a spread of about 19 points.
Why 98387 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 98387, not a ranked or complete list of what matters most.
98387 votes against the grain of Washington. Washington leans Democratic overall, while 98387 runs about 22 points more Republican.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 98387, WA 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 98387 looks the way it does
Turnout in 98387 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 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.