95747 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 78% of adults in 95747 typically vote, above the U.S. average of about 62%. Among adults in 95747, ~37% vote Democratic, ~41% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 95747 compares
Among zip codes within 15 miles, 95747 leans more Republican than 23 of 35 neighbors.
95747 runs about 27 points more Republican than California as a whole. California leans Democratic overall, while 95747 is one of the few Republican-leaning pockets.
Why 95747 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 95747, not a ranked or complete list of what matters most.
95747 votes Republican even though it is densely developed (about 83%, well above the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in 95747 are family households, above 90% of zip codes. 95747 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 95747, CA sits in the top quarter nationally 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 95747 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 95747 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 95747 have completed high school, above 86% 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.