Mountain View leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 80% of adults in Mountain View typically vote, above the U.S. average of about 62%. Among adults in Mountain View, ~46% vote Democratic, ~34% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Mountain View compares
Among neighborhoods within 5 miles, Mountain View leans more Democratic than 1 of 5 neighbors.
Politically, Mountain View sits close to the rest of Oregon.
Politics vary noticeably by block within Mountain View. The southeast side runs the most Democratic (D+27) and the northeast side runs the most Republican (R+10), a spread of about 36 points.
Why Mountain View leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mountain View. 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; Mountain View, Bend, 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 Mountain View looks the way it does
Turnout in Mountain View 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
- Orchard District, Bend, OR D+29
- Larkspur, Bend, OR D+16
- Boyd Acres, Bend, OR D+5
- River West, Bend, OR D+45
- Southwest Bend, Bend, OR D+16
- Deschutes River Woods, Bend, OR R+13
- Juniper Canyon, Prineville, OR R+51
- Crooked River Ranch, Terrebonne, OR R+43
- Harlow, Eugene, OR D+40
- Fairmount, Eugene, OR D+73
Neighborhoods with Similar Populations
- Woodlawn, Bronx, NY D+26
- Dupont Circle, Washington, DC D+78
- Old Aurora, New Orleans, LA D+56
- South Broadway, Cleveland, OH D+53
- Russian Hill, San Francisco, CA D+68
- Heron Walk, Madison, TN D+34
- Mountain View San Diego, San Diego, CA D+32
- Koolauloa, Laie, HI D+17
- Fairmount, Philadelphia, PA D+75
- Lincoln Heights, Spokane, WA D+21
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.