99349 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 30% of adults in 99349 typically vote, below the U.S. average of about 62%. Among adults in 99349, ~14% vote Democratic, ~16% Republican, and ~70% don't vote. The map below shows estimated turnout by block group.
How 99349 compares
99349 sits in a sparsely populated area with few comparable zip codes nearby.
99349 runs about 24 points more Republican than Washington as a whole. Washington leans Democratic overall, while 99349 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 99349. The west side runs the most Democratic (D+13) and the southeast side runs the most Republican (R+54), a spread of about 68 points.
Why 99349 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 99349, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 99349 hold a bachelor's degree, about 23 points below the Washington average of 34%. A high family-household share predicts Republican voting, and about 77% of households in 99349 are family households, above 86% of zip codes. 99349 runs against the grain of Washington, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 99349, WA sits in the bottom tenth 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 99349 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 99349 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 45%, about 20 points below the Washington average of 65%. Renters vote less often than owners, and about 49% of households in 99349 rent, about 24 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.