95984 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 62% of adults in 95984 typically vote, near the U.S. average of about 62%. Among adults in 95984, ~30% vote Democratic, ~32% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 95984 compares
Among zip codes within 15 miles, 95984 leans more Republican than 2 of 7 neighbors.
95984 runs about 24 points more Republican than California as a whole. California leans Democratic overall, while 95984 is one of the few Republican-leaning pockets.
Why 95984 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 95984, not a ranked or complete list of what matters most.
95984 votes against the grain of California. California leans Democratic overall, while 95984 runs about 24 points more Republican.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 95984, CA sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 95984 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 95984 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 65%, about 5 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in 95984 have completed high school, in the top fraction 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.