97621 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 69% of adults in 97621 typically vote, above the U.S. average of about 62%. Among adults in 97621, ~19% vote Democratic, ~50% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 97621 compares
97621 sits in a sparsely populated area with few comparable zip codes nearby.
97621 runs about 57 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97621 is one of the few Republican-leaning pockets.
Why 97621 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 97621, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in 97621 live in densely developed areas, about 28 points below the Oregon average of 31%. Low college attainment predicts Republican voting, and 97621 sits in the bottom quarter (about 16%, below 76% of zip codes). 97621 runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 97621, OR does.
Why turnout in 97621 looks the way it does
Homeowners vote more often than renters. About 91% of households in 97621 own their home, about 17 points above the Oregon average of 74%. 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.