Gresham-Gresham Butte leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 83% of adults in Gresham-Gresham Butte typically vote, above the U.S. average of about 62%. Among adults in Gresham-Gresham Butte, ~46% vote Democratic, ~37% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Gresham-Gresham Butte compares
Among neighborhoods within 5 miles, Gresham-Gresham Butte leans more Democratic than 4 of 11 neighbors.
Politically, Gresham-Gresham Butte sits close to the rest of Oregon.
Politics vary noticeably by block within Gresham-Gresham Butte. The west side is the most Democratic-leaning (D+21) and the southwest side is the least Democratic-leaning (D+4), a spread of about 17 points.
Why Gresham-Gresham Butte leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Gresham-Gresham Butte. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Gresham-Gresham Butte, Gresham, OR sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Gresham-Gresham Butte looks the way it does
Turnout in Gresham-Gresham Butte 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-City Central, Gresham, OR D+35
- Gresham-Mt. Hood, Gresham, OR D+5
- Gresham-Southwest, Gresham, OR D+10
- Gresham-Northwest, Gresham, OR D+24
- Gresham-Kelly Creek, Gresham, OR D+4
- Gresham-North Central, Gresham, OR D+19
- Gresham-Northeast, Gresham, OR D+10
- Gresham-Rockwood, Gresham, OR D+24
- Centennial, Portland, OR D+19
- Gresham-North Gresham, Gresham, OR D+16
Neighborhoods with Similar Populations
- Nollville, Martinsburg, WV R+26
- Gresham-Mt. Hood, Gresham, OR D+5
- South Corvallis Neighbors, Corvallis, OR D+52
- Central Area, Eden, NC R+11
- Falcon Landing, Katy, TX R+10
- East Ocean View, Norfolk, VA D+17
- Springdale, York, PA D+42
- Cuesta Park, Mountain View, CA D+40
- Northwestern Denver, Denver, CO D+48
- Hollydale, South Gate, CA D+31
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.