97498 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About more than 99% of adults in 97498 typically vote, above the U.S. average of about 62%. Among adults in 97498, ~76% vote Democratic, ~28% Republican, and ~-4% don't vote. The map below shows estimated turnout by block group.
How 97498 compares
Among zip codes within 15 miles, 97498 is the most Democratic-leaning.
97498 runs about 32 points more Democratic than Oregon as a whole.
Politics vary noticeably by block within 97498. The east side is the most Democratic-leaning (D+52) and the south side is the least Democratic-leaning (D+18), a spread of about 34 points.
Why 97498 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 97498, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 45% of adults in 97498 hold a bachelor's degree, about 16 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; 97498, OR sits in the top tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 97498 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 97498 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 97498 have completed high school, above 85% 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.