West Side, OR Political Map | Democrat & Republican Areas in West Side

West Side is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.

 
West Side, OR block-group political-lean map
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About 63% of adults in West Side typically vote, near the U.S. average of about 62%. Among adults in West Side, ~9% vote Democratic, ~54% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.

West Side, OR block-group voter-turnout map
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How West Side compares

Among cities within 25 miles, West Side leans more Republican than 3 of 5 neighbors.

West Side runs about 84 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while West Side is one of the few Republican-leaning pockets.

Why West Side leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for West Side, not a ranked or complete list of what matters most.

Rural areas vote Republican. About 3% of residents in West Side live in densely developed areas, about 28 points below the Oregon average of 31%. A high family-household share predicts Republican voting, and about 79% of households in West Side are family households, above 88% of cities. West Side runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.

Population density and Republican lean

Places with low population density tend to lean Republican; West Side, OR sits in the bottom tenth nationally on this measure.

Why turnout in West Side looks the way it does

Turnout in West Side 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.

Cities with Similar Populations

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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.