93314 leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 73% of adults in 93314 typically vote, above the U.S. average of about 62%. Among adults in 93314, ~18% vote Democratic, ~55% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 93314 compares
Among zip codes within 15 miles, 93314 leans more Republican than 11 of 12 neighbors.
93314 runs about 70 points more Republican than California as a whole. California leans Democratic overall, while 93314 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93314. The southwest side is the most Republican-leaning (R+69) and the northwest side is the least Republican-leaning (R+39), a spread of about 29 points.
Why 93314 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 93314, not a ranked or complete list of what matters most.
93314 votes against the grain of California. California leans Democratic overall, while 93314 runs about 70 points more Republican. Car-dependent areas vote Republican, and about 83% of residents in 93314 drive to work alone, above 83% of zip codes. A high family-household share predicts Republican voting, and about 82% of households in 93314 are family households, above 95% of zip codes.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; 93314, CA sits in the bottom tenth nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in 93314 looks the way it does
Turnout in 93314 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 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.