98499 leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 48% of adults in 98499 typically vote, below the U.S. average of about 62%. Among adults in 98499, ~31% vote Democratic, ~17% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How 98499 compares
Among zip codes within 15 miles, 98499 leans more Democratic than 34 of 48 neighbors.
98499 runs about 11 points more Democratic than Washington as a whole.
Why 98499 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 98499, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 94% of residents in 98499 live in densely developed areas, about 57 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in 98499 have never been married, above 85% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 98499, WA sits in the top tenth 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 98499 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 98499 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 60% of households in 98499 rent, about 35 points above the U.S. average of 25%. 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.