97913 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 67% of adults in 97913 typically vote, near the U.S. average of about 62%. Among adults in 97913, ~21% vote Democratic, ~46% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 97913 compares
Among zip codes within 15 miles, 97913 leans more Republican than 1 of 6 neighbors.
97913 runs about 53 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97913 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 97913. The southwest side is the most Republican-leaning (R+68) and the east side is the least Republican-leaning (R+24), a spread of about 44 points.
Why 97913 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 97913, not a ranked or complete list of what matters most.
97913 votes against the grain of Oregon. Oregon leans Democratic overall, while 97913 runs about 53 points more Republican. Low college attainment predicts Republican voting, and 97913 sits in the bottom quarter (about 16%, below 76% of zip codes).
Park access and Republican lean
Places with low park coverage tend to lean Republican; 97913, OR sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 97913 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 97913 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.