98354 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 69% of adults in 98354 typically vote, above the U.S. average of about 62%. Among adults in 98354, ~37% vote Democratic, ~32% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 98354 compares
Among zip codes within 15 miles, 98354 leans more Democratic than 16 of 57 neighbors.
98354 runs about 13 points more Republican than Washington as a whole.
Why 98354 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 98354, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in 98354 live in densely developed areas, about 57 points above the U.S. average of 36%.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 98354, WA sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 98354 looks the way it does
Turnout in 98354 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.