99326 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 35% of adults in 99326 typically vote, below the U.S. average of about 62%. Among adults in 99326, ~9% vote Democratic, ~26% Republican, and ~65% don't vote. The map below shows estimated turnout by block group.
How 99326 compares
99326 runs about 66 points more Republican than Washington as a whole. Washington leans Democratic overall, while 99326 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 99326. The southeast side is the most Republican-leaning (R+67) and the south side is the least Republican-leaning (R+22), a spread of about 45 points.
Why 99326 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 99326, not a ranked or complete list of what matters most.
99326 votes against the grain of Washington. Washington leans Democratic overall, while 99326 runs about 66 points more Republican. Low college attainment predicts Republican voting, and 99326 sits in the bottom quarter (about 13%, below 88% of zip codes). A high family-household share predicts Republican voting, and about 85% of households in 99326 are family households, above 97% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 99326, WA sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 99326 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 99326 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 37% of households in 99326 rent, above 84% of zip codes. Low high-school completion lines up with lower turnout, and about 77% of adults in 99326 have completed high school, below 94% 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.