95930 leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 66% of adults in 95930 typically vote, near the U.S. average of about 62%. Among adults in 95930, ~24% vote Democratic, ~42% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 95930 compares
Among zip codes within 15 miles, 95930 leans more Republican than 9 of 11 neighbors.
95930 runs about 47 points more Republican than California as a whole. California leans Democratic overall, while 95930 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95930. The west side is the most Republican-leaning (R+29) and the east side is the least Republican-leaning (R+10), a spread of about 18 points.
Why 95930 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 95930, not a ranked or complete list of what matters most.
95930 votes against the grain of California. California leans Democratic overall, while 95930 runs about 47 points more Republican. Rural areas vote Republican, and 95930 sits in the bottom quarter on density (about 3%, below 92% of zip codes). A high family-household share predicts Republican voting, and about 78% of households in 95930 are family households, above 87% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 95930, CA sits in the bottom tenth nationally on this measure.
Why turnout in 95930 looks the way it does
Turnout in 95930 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.