97017 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 77% of adults in 97017 typically vote, above the U.S. average of about 62%. Among adults in 97017, ~25% vote Democratic, ~52% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 97017 compares
Among zip codes within 15 miles, 97017 is the most Republican-leaning.
97017 runs about 49 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97017 is one of the few Republican-leaning pockets.
Why 97017 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 97017, not a ranked or complete list of what matters most.
97017 votes against the grain of Oregon. Oregon leans Democratic overall, while 97017 runs about 49 points more Republican. A high family-household share predicts Republican voting, and about 74% of households in 97017 are family households, above 78% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 97017, OR sits above the national average 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 97017 looks the way it does
Homeowners vote more often than renters. About 90% of households in 97017 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.