98570 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 75% of adults in 98570 typically vote, above the U.S. average of about 62%. Among adults in 98570, ~22% vote Democratic, ~53% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 98570 compares
Among zip codes within 15 miles, 98570 leans more Republican than 6 of 9 neighbors.
98570 runs about 61 points more Republican than Washington as a whole. Washington leans Democratic overall, while 98570 is one of the few Republican-leaning pockets.
Why 98570 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 98570, not a ranked or complete list of what matters most.
98570 votes against the grain of Washington. Washington leans Democratic overall, while 98570 runs about 61 points more Republican. Low college attainment predicts Republican voting, and 98570 sits in the bottom quarter (about 15%, below 81% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 98570, WA sits below the national average 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 98570 looks the way it does
Turnout in 98570 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.