Bull Mountain leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 75% of adults in Bull Mountain typically vote, above the U.S. average of about 62%. Among adults in Bull Mountain, ~50% vote Democratic, ~25% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Bull Mountain compares
Among neighborhoods within 5 miles, Bull Mountain leans more Democratic than 3 of 18 neighbors.
Bull Mountain runs about 19 points more Democratic than Oregon as a whole.
Politics vary noticeably by block within Bull Mountain. The north side is the most Democratic-leaning (D+39) and the south side is the least Democratic-leaning (D+27), a spread of about 12 points.
Why Bull Mountain leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Bull Mountain. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Bull Mountain, Tigard, OR sits above the national average on this measure.
Why turnout in Bull Mountain looks the way it does
Turnout in Bull Mountain 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
- Neighbors Southwest, Beaverton, OR D+42
- Metzger, Tigard, OR D+39
- South Beaverton, Beaverton, OR D+41
- Greenway, Beaverton, OR D+43
- Sexton Mountain, Beaverton, OR D+38
- Highlands, Beaverton, OR D+38
- Denny Whitford, Beaverton, OR D+43
- Lake Forest, Lake Oswego, OR D+42
- Sherwood-Tualatin North, Sherwood, OR D+23
- Vose, Beaverton, OR D+39
Neighborhoods with Similar Populations
- Westerleigh-Castleton, Staten Island, NY R+32
- North Central, Virginia Beach, VA D+5
- Highlands, Lowell, MA D+28
- West Side, Long Beach, CA D+34
- Wynnefield, Philadelphia, PA D+79
- Midtown Atlanta, Atlanta, GA D+56
- Circle Area, Long Beach, CA D+40
- Northeast, Anchorage, AK D+18
- Anthem, Henderson, NV Even
- Montrose, Houston, TX D+39
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.