Stafford-Tualatin Valley, West Linn, OR Political Map | Democrat & Republican Areas in Stafford-Tualatin Valley

Stafford-Tualatin Valley leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.

 
Stafford-Tualatin Valley, West Linn, OR block-group political-lean map
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About more than 99% of adults in Stafford-Tualatin Valley typically vote, above the U.S. average of about 62%. Among adults in Stafford-Tualatin Valley, ~60% vote Democratic, ~40% Republican, and ~0% don't vote. The map below shows estimated turnout by block group.

Stafford-Tualatin Valley, West Linn, OR block-group voter-turnout map
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How Stafford-Tualatin Valley compares

Among neighborhoods within 5 miles, Stafford-Tualatin Valley is the least Democratic-leaning.

Stafford-Tualatin Valley runs about 6 points more Democratic than Oregon as a whole.

Politics vary noticeably by block within Stafford-Tualatin Valley. The north side is the most Democratic-leaning (D+31) and the southwest side is the least Democratic-leaning (D+11), a spread of about 20 points.

Why Stafford-Tualatin Valley 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 Stafford-Tualatin Valley, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 67% of adults in Stafford-Tualatin Valley hold a bachelor's degree, about 38 points above the U.S. average of 28%.

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 Stafford-Tualatin Valley, West Linn, OR does.

Why turnout in Stafford-Tualatin Valley looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Stafford-Tualatin Valley 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Stafford-Tualatin Valley own their home, compared to around 65% in nearby neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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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.