98304 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 68% of adults in 98304 typically vote, above the U.S. average of about 62%. Among adults in 98304, ~24% vote Democratic, ~44% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 98304 compares
98304 sits in a sparsely populated area with few comparable zip codes nearby.
98304 runs about 49 points more Republican than Washington as a whole. Washington leans Democratic overall, while 98304 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 98304. The southwest side is the most Republican-leaning (R+35) and the east side is the least Republican-leaning (R+6), a spread of about 29 points.
Why 98304 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 98304, not a ranked or complete list of what matters most.
98304 votes against the grain of Washington. Washington leans Democratic overall, while 98304 runs about 49 points more Republican. Rural areas vote Republican, and 98304 sits in the bottom quarter on density (about 4%, below 89% of zip codes).
Population density and Republican lean
Places with low population density tend to lean Republican; 98304, WA sits in the bottom quarter nationally on this measure.
Why turnout in 98304 looks the way it does
Areas with high high-school completion turn out at higher rates. About 99% of adults in 98304 have completed high school, about 7 points above the Washington average of 91%. Homeowners vote more often than renters, and about 90% of households in 98304 own their home, above 86% 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.