Gresham-Mt. Hood leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 42% of adults in Gresham-Mt. Hood typically vote, below the U.S. average of about 62%. Among adults in Gresham-Mt. Hood, ~22% vote Democratic, ~20% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.
How Gresham-Mt. Hood compares
Among neighborhoods within 5 miles, Gresham-Mt. Hood leans more Democratic than 1 of 10 neighbors.
Gresham-Mt. Hood runs about 9 points more Republican than Oregon as a whole.
Politics vary noticeably by block within Gresham-Mt. Hood. The north side runs the most Democratic (D+12) and the southeast side runs the most Republican (Even), a spread of about 12 points.
Why Gresham-Mt. Hood 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 Gresham-Mt. Hood, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 49% of adults in Gresham-Mt. Hood have never been married, modestly above similar-sized neighborhoods (around 36%).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Gresham-Mt. Hood, Gresham, OR sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Gresham-Mt. Hood looks the way it does
Turnout in Gresham-Mt. Hood 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.
Nearby Neighborhoods
- Gresham-Kelly Creek, Gresham, OR D+4
- Gresham-Gresham Butte, Gresham, OR D+13
- Gresham-City Central, Gresham, OR D+35
- Gresham-Northeast, Gresham, OR D+10
- Gresham-Northwest, Gresham, OR D+24
- Gresham-North Central, Gresham, OR D+19
- Gresham-Southwest, Gresham, OR D+10
- Gresham-Rockwood, Gresham, OR D+24
- Gresham-North Gresham, Gresham, OR D+16
- Centennial, Portland, OR D+19
Neighborhoods with Similar Populations
- Nollville, Martinsburg, WV R+26
- Gresham-Gresham Butte, Gresham, OR D+13
- Central Area, Eden, NC R+11
- South Corvallis Neighbors, Corvallis, OR D+52
- East Ocean View, Norfolk, VA D+17
- Falcon Landing, Katy, TX R+10
- Springdale, York, PA D+42
- Hollydale, South Gate, CA D+31
- 65th Street West, Little Rock, AR D+60
- Northwestern Denver, Denver, CO D+48
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.