97756 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 79% of adults in 97756 typically vote, above the U.S. average of about 62%. Among adults in 97756, ~34% vote Democratic, ~45% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 97756 compares
Among zip codes within 15 miles, 97756 leans more Republican than 2 of 4 neighbors.
97756 runs about 28 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97756 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 97756. The northwest side is the most Republican-leaning (R+28) and the east side is the least Republican-leaning (R+7), a spread of about 20 points.
Why 97756 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 97756, not a ranked or complete list of what matters most.
97756 votes Republican even though it is densely developed (about 60%, well above the Oregon average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here. 97756 runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 97756, 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 97756 looks the way it does
Turnout in 97756 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.