97810 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 57% of adults in 97810 typically vote, near the U.S. average of about 62%. Among adults in 97810, ~16% vote Democratic, ~41% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 97810 compares
Among zip codes within 15 miles, 97810 leans more Republican than 1 of 4 neighbors.
97810 runs about 59 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97810 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 97810. The northwest side is the most Republican-leaning (R+59) and the south side is the least Republican-leaning (R+20), a spread of about 39 points.
Why 97810 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 97810, not a ranked or complete list of what matters most.
97810 votes against the grain of Oregon. Oregon leans Democratic overall, while 97810 runs about 59 points more Republican. A high family-household share predicts Republican voting, and about 77% of households in 97810 are family households, above 86% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 97810, OR 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 97810 looks the way it does
Turnout in 97810 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 Oregon Secretary of State, Elections Division, 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.