95938 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 77% of adults in 95938 typically vote, above the U.S. average of about 62%. Among adults in 95938, ~29% vote Democratic, ~48% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 95938 compares
Among zip codes within 15 miles, 95938 leans more Republican than 6 of 9 neighbors.
95938 runs about 44 points more Republican than California as a whole. California leans Democratic overall, while 95938 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95938. The southeast side is the most Republican-leaning (R+31) and the northwest side is the least Republican-leaning (R+17), a spread of about 14 points.
Why 95938 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 95938, not a ranked or complete list of what matters most.
95938 votes against the grain of California. California leans Democratic overall, while 95938 runs about 44 points more Republican. A high family-household share predicts Republican voting, and about 78% of households in 95938 are family households, above 87% of zip codes.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 95938, CA sits in the top quarter nationally on this measure.
Why turnout in 95938 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 95938 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 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 95938 have completed high school, above 84% of zip codes. 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.