94571 is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 77% of adults in 94571 typically vote, above the U.S. average of about 62%. Among adults in 94571, ~39% vote Democratic, ~38% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 94571 compares
Among zip codes within 15 miles, 94571 sits roughly in the middle of the political spectrum, with 8 neighbors leaning further in the place's direction and 3 leaning the other way.
94571 runs about 18 points more Republican than California as a whole.
Politics vary noticeably by block within 94571. The north side runs the most Democratic (D+22) and the south side runs the most Republican (R+29), a spread of about 51 points.
Why 94571 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 94571. 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; 94571, CA 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 94571 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 94571 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 67%, about 7 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.