97875 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 71% of adults in 97875 typically vote, above the U.S. average of about 62%. Among adults in 97875, ~17% vote Democratic, ~54% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 97875 compares
Among zip codes within 15 miles, 97875 leans more Republican than 3 of 4 neighbors.
97875 runs about 67 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97875 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 97875. The southeast side is the most Republican-leaning (R+63) and the northwest side is the least Republican-leaning (R+50), a spread of about 13 points.
Why 97875 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 97875, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in 97875 hold a bachelor's degree, about 21 points below the Oregon average of 29%. Car-dependent areas vote Republican, and about 86% of residents in 97875 drive to work alone, above 90% of zip codes. 97875 runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 97875, OR sits below 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 97875 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 97875 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.