97877 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 66% of adults in 97877 typically vote, near the U.S. average of about 62%. Among adults in 97877, ~13% vote Democratic, ~54% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 97877 compares
97877 runs about 75 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97877 is one of the few Republican-leaning pockets.
Why 97877 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 97877, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 97877, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 12% of adults hold a bachelor's degree, about 17 points below the Oregon average of 29%. Rural areas vote Republican, and 97877 sits in the bottom quarter on density (about 3%, below 94% of zip codes). 97877 runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 97877, OR does.
Why turnout in 97877 looks the way it does
Turnout in 97877 sits close to the national pattern. 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.