97135 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 85% of adults in 97135 typically vote, above the U.S. average of about 62%. Among adults in 97135, ~37% vote Democratic, ~48% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 97135 compares
Among zip codes within 15 miles, 97135 leans more Republican than 3 of 6 neighbors.
97135 runs about 25 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97135 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 97135. The west side is the most Republican-leaning (R+22) and the southeast side is the least Republican-leaning (R+5), a spread of about 17 points.
Why 97135 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 97135, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 6% of residents in 97135 live in densely developed areas, about 25 points below the Oregon average of 31%. 97135 runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 97135, OR sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 97135 looks the way it does
Areas with high high-school completion turn out at higher rates. More than 99% of adults in 97135 have completed high school, about 8 points above the Oregon average of 92%. 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.