98350 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 53% of adults in 98350 typically vote, below the U.S. average of about 62%. Among adults in 98350, ~31% vote Democratic, ~22% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 98350 compares
Politically, 98350 sits close to the rest of Washington.
Why 98350 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 98350, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 34% of adults in 98350 have never been married, modestly above similar-sized zip codes (around 22%).
Population density and Republican lean
Places with low population density tend to lean Republican; 98350, WA sits in the bottom tenth nationally on this measure.
Why turnout in 98350 looks the way it does
High-crime urban areas turn out at lower rates, mostly because the housing stress common in those areas makes voting harder. 98350 sits in the top 15% nationally on a violent-crime measure. See CrimeGrade for more details. Low high-school completion lines up with lower turnout, and about 86% of adults in 98350 have completed high school, below 78% 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.