Las Positas leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 84% of adults in Las Positas typically vote, above the U.S. average of about 62%. Among adults in Las Positas, ~60% vote Democratic, ~23% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Las Positas compares
Among neighborhoods within 5 miles, Las Positas leans more Democratic than 1 of 7 neighbors.
Las Positas runs about 24 points more Democratic than California as a whole.
Why Las Positas 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 Las Positas, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 60% of adults in Las Positas hold a bachelor's degree, about 31 points above the U.S. average of 28%.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Las Positas, Santa Barbara, CA sits in the bottom quarter nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Las Positas looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Las Positas 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 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Upper State, Santa Barbara, CA D+51
- Westside-Santa Barbara, Santa Barbara, CA D+52
- Mesa, Santa Barbara, CA D+52
- Waterfront, Santa Barbara, CA D+55
- Lower East, Santa Barbara, CA D+57
- Riviera, Santa Barbara, CA D+49
- Eastside Santa Barbara, Santa Barbara, CA D+44
- Sea View Estates, Oxnard, CA D+22
- Via Marina, Oxnard, CA D+25
- Sierra Linda, Oxnard, CA D+31
Neighborhoods with Similar Populations
- Upper West Ridge, Woodinville, WA D+42
- Highlands-Providence, Fall River, MA R+4
- Mount Auburn, Cincinnati, OH D+67
- Los Cerritos, Long Beach, CA D+40
- Downtown Des Moines, Des Moines, IA D+53
- Parkdale-Walden, Kansas City, MO D+8
- Eagle Point District, Dubuque, IA D+5
- Park Santiago, Santa Ana, CA D+22
- Park Crossing, Charlotte, NC D+20
- Arlingwood, Jacksonville, FL R+2
Sources and methodology
Precinct-level voting records used to fit the model come from California Secretary of State, Elections, 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.