97439 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 87% of adults in 97439 typically vote, above the U.S. average of about 62%. Among adults in 97439, ~48% vote Democratic, ~39% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How 97439 compares
97439 sits in a sparsely populated area with few comparable zip codes nearby.
Politically, 97439 sits close to the rest of Oregon.
Politics vary noticeably by block within 97439. The north side is the most Democratic-leaning (D+15) and the southeast side is the least Democratic-leaning (Even), a spread of about 15 points.
Why 97439 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 97439. The lean here lands roughly where demographic data alone would predict.
Population density, never-married share, and Democratic lean
Places that combine high population density and a low never-married share tend to lean Democratic, as 97439, OR does.
Why turnout in 97439 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 97439 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 67%, about 7 points above the U.S. average of 60%. 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.