95043 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 52% of adults in 95043 typically vote, below the U.S. average of about 62%. Among adults in 95043, ~13% vote Democratic, ~39% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 95043 compares
95043 runs about 68 points more Republican than California as a whole. California leans Democratic overall, while 95043 is one of the few Republican-leaning pockets.
Why 95043 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 95043, not a ranked or complete list of what matters most.
95043 votes against the grain of California. California leans Democratic overall, while 95043 runs about 68 points more Republican. Rural areas vote Republican, and 95043 sits in the bottom quarter on density (fewer than 1%, in the bottom fraction of zip codes). A high family-household share predicts Republican voting, and about 74% of households in 95043 are family households, above 77% of zip codes.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 95043, CA sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 95043 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 95043 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 68%, about 8 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.