92398 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 24% of adults in 92398 typically vote, below the U.S. average of about 62%. Among adults in 92398, ~6% vote Democratic, ~18% Republican, and ~76% don't vote. The map below shows estimated turnout by block group.
How 92398 compares
Among zip codes within 15 miles, 92398 is the most Republican-leaning.
92398 runs about 70 points more Republican than California as a whole. California leans Democratic overall, while 92398 is one of the few Republican-leaning pockets.
Why 92398 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 92398, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in 92398 hold a bachelor's degree, about 27 points below the California average of 35%. Rural areas vote Republican, and 92398 sits in the bottom quarter on density (fewer than 1%, in the bottom fraction of zip codes). 92398 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 92398, 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 92398 looks the way it does
Crowded housing lines up with lower turnout. About 17% of homes in 92398 have more than one occupant per room, in the top fraction of zip codes. Renters vote less often than owners, and about 46% of households in 92398 rent, about 21 points above the U.S. average of 25%. 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.