Sellwood-Moreland, Portland, OR Political Map | Democrat & Republican Areas in Sellwood-Moreland

Sellwood-Moreland is a Democratic stronghold. About 88% of voters here vote Democratic and 12% Republican.

 
Sellwood-Moreland, Portland, OR block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 80% of adults in Sellwood-Moreland typically vote, above the U.S. average of about 62%. Among adults in Sellwood-Moreland, ~71% vote Democratic, ~10% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.

Sellwood-Moreland, Portland, OR block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Sellwood-Moreland compares

Among neighborhoods within 5 miles, Sellwood-Moreland leans more Democratic than 26 of 39 neighbors.

Sellwood-Moreland runs about 62 points more Democratic than Oregon as a whole.

Politics vary noticeably by block within Sellwood-Moreland. The west side is the most Democratic-leaning (D+85) and the southeast side is the least Democratic-leaning (D+66), a spread of about 19 points.

Why Sellwood-Moreland 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 Sellwood-Moreland, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 66% of adults in Sellwood-Moreland hold a bachelor's degree, about 38 points above the U.S. average of 28%.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Sellwood-Moreland, Portland, OR sits in the top quarter nationally on this measure.

Why turnout in Sellwood-Moreland looks the way it does

Turnout in Sellwood-Moreland 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.

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.