98588 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 71% of adults in 98588 typically vote, above the U.S. average of about 62%. Among adults in 98588, ~32% vote Democratic, ~39% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 98588 compares
Among zip codes within 15 miles, 98588 leans more Republican than 8 of 10 neighbors.
98588 runs about 28 points more Republican than Washington as a whole. Washington leans Democratic overall, while 98588 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 98588. The northeast side is the most Republican-leaning (R+25) and the southwest side is the least Republican-leaning (R+6), a spread of about 19 points.
Why 98588 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 98588, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 98588 hold a bachelor's degree, about 24 points below the Washington average of 34%. 98588 runs against the grain of Washington, a Republican-leaning pocket in a Democratic-leaning state.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 98588, WA sits in the top quarter nationally on this measure.
Why turnout in 98588 looks the way it does
Homeowners vote more often than renters. About 89% of households in 98588 own their home, about 16 points above the Washington average of 73%. 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.