Hillsdale is a Democratic stronghold. About 87% of voters here vote Democratic and 13% Republican.
About 87% of adults in Hillsdale typically vote, above the U.S. average of about 62%. Among adults in Hillsdale, ~76% vote Democratic, ~11% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Hillsdale compares
Among neighborhoods within 5 miles, Hillsdale leans more Democratic than 21 of 35 neighbors.
Hillsdale runs about 60 points more Democratic than Oregon as a whole.
Politics vary noticeably by block within Hillsdale. The east side is the most Democratic-leaning (D+80) and the south side is the least Democratic-leaning (D+66), a spread of about 14 points.
Why Hillsdale 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 Hillsdale, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 69% of adults in Hillsdale hold a bachelor's degree, about 41 points above the U.S. average of 28%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Hillsdale, Portland, OR sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Hillsdale looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Hillsdale 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 74%, about 14 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Corbett-Terwilliger-Lair Hill, Portland, OR D+68
- Homestead, Portland, OR D+69
- Hayhurst, Portland, OR D+68
- Bridlemile, Portland, OR D+61
- Southwest Hills, Portland, OR D+72
- Maplewood-Ashcreek, Portland, OR D+61
- Far Southwest, Portland, OR D+61
- Sellwood-Moreland, Portland, OR D+77
- University District, Portland, OR D+62
- Brooklyn, Portland, OR D+81
Neighborhoods with Similar Populations
- Creston-Kenilworth, Portland, OR D+82
- Edgerton, Rochester, NY D+56
- Richmond Hill, Augusta, GA D+56
- Hidden Cove-Indian Creek, San Antonio, TX D+23
- Regent, Madison, WI D+75
- Central Berkeley, Berkeley, CA D+84
- Oceanfront, Miami Beach, FL R+7
- Burnham Park, Milwaukee, WI D+36
- Glenwood, Raleigh, NC D+19
- Milwood, Kalamazoo, MI D+28
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.