Sexton Mountain leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 83% of adults in Sexton Mountain typically vote, above the U.S. average of about 62%. Among adults in Sexton Mountain, ~58% vote Democratic, ~26% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Sexton Mountain compares
Among neighborhoods within 5 miles, Sexton Mountain leans more Democratic than 4 of 18 neighbors.
Sexton Mountain runs about 24 points more Democratic than Oregon as a whole.
Politics vary noticeably by block within Sexton Mountain. The southeast side is the most Democratic-leaning (D+50) and the northwest side is the least Democratic-leaning (D+29), a spread of about 21 points.
Why Sexton Mountain leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Sexton Mountain, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 60% of adults in Sexton Mountain hold a bachelor's degree, about 32 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Sexton Mountain, Beaverton, OR sits in the top quarter nationally 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 Sexton Mountain looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sexton Mountain 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 87% of households in Sexton Mountain own their home, compared to around 59% in nearby neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- South Beaverton, Beaverton, OR D+41
- Highlands, Beaverton, OR D+38
- West Beaverton, Beaverton, OR D+39
- Neighbors Southwest, Beaverton, OR D+42
- Cooper Mountain Aloha South, Beaverton, OR D+28
- Greenway, Beaverton, OR D+43
- Vose, Beaverton, OR D+39
- Central Beaverton, Beaverton, OR D+48
- Bull Mountain, Tigard, OR D+33
- Denny Whitford, Beaverton, OR D+43
Neighborhoods with Similar Populations
- Chinatown, Los Angeles, CA D+36
- Indian Hills-Stonewall Estates-Monticello, Lexington, KY D+5
- Greenland, Jacksonville, FL R+21
- High Point, Seattle, WA D+63
- Serrano Village, El Dorado Hills, CA R+6
- Interbay, Seattle, WA D+74
- East Bench, Salt Lake City, UT D+38
- Allandale, Austin, TX D+54
- Oakdale, Atlanta, GA D+24
- Old North Milwaukee, Milwaukee, WI D+85
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.