97489 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 90% of adults in 97489 typically vote, above the U.S. average of about 62%. Among adults in 97489, ~40% vote Democratic, ~50% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How 97489 compares
Among zip codes within 15 miles, 97489 leans more Republican than 1 of 3 neighbors.
97489 runs about 25 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while 97489 is one of the few Republican-leaning pockets.
Why 97489 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 97489, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 97489 live in densely developed areas, about 26 points below the Oregon average of 31%. A high family-household share predicts Republican voting, and about 75% of households in 97489 are family households, above 80% of zip codes. 97489 runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 97489, OR sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 97489 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 97489 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in 97489 own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in 97489 have completed high school, above 82% of zip codes. 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.