South Corvallis Neighbors, Corvallis, OR Political Map | Democrat & Republican Areas in South Corvallis Neighbors

By the BestNeighborhood data science team. Last updated May 2026.

South Corvallis Neighbors is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.

 

About 71% of adults in South Corvallis Neighbors typically vote, above the U.S. average of about 62%. Among adults in South Corvallis Neighbors, ~54% vote Democratic, ~17% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.

How South Corvallis Neighbors compares

South Corvallis Neighbors runs about 38 points more Democratic than Oregon as a whole.

Why South Corvallis Neighbors 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 South Corvallis Neighbors, not a ranked or complete list of what matters most.

Areas with many never-married adults vote Democratic. About 47% of adults in South Corvallis Neighbors have never been married, modestly above similar-sized neighborhoods (around 39%).

Adult tooth loss and voter turnout

Places with a low adult tooth-loss rate tend to turn out at a higher rate; South Corvallis Neighbors, Corvallis, OR sits below the national average on this measure. Tooth loss does not drive turnout; it reflects age, income, and healthcare access.

Why turnout in South Corvallis Neighbors looks the way it does

Turnout in South Corvallis Neighbors sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.