98921 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 72% of adults in 98921 typically vote, above the U.S. average of about 62%. Among adults in 98921, ~32% vote Democratic, ~40% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 98921 compares
Among zip codes within 15 miles, 98921 leans more Republican than 6 of 9 neighbors.
98921 runs about 30 points more Republican than Washington as a whole. Washington leans Democratic overall, while 98921 is one of the few Republican-leaning pockets.
Why 98921 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 98921, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in 98921 drive to work alone, about 17 points above the U.S. average of 74%. 98921 runs against the grain of Washington, a Republican-leaning pocket in a Democratic-leaning state.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 98921, WA sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 98921 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 98921 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.