Yuba City, CA Political Map | Democrat & Republican Areas in Yuba City

By the BestNeighborhood data science team. Last updated May 2026.

Yuba City leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.

 

About 55% of adults in Yuba City typically vote, below the U.S. average of about 62%. Among adults in Yuba City, ~22% vote Democratic, ~33% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.

How Yuba City compares

Among cities within 25 miles, Yuba City leans more Republican than 7 of 35 neighbors.

Yuba City runs about 40 points more Republican than California as a whole. California leans Democratic overall, while Yuba City is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Yuba City. The northwest side is the most Republican-leaning (R+27) and the east side is the least Republican-leaning (R+8), a spread of about 18 points.

Why Yuba City leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Yuba City, not a ranked or complete list of what matters most.

Yuba City votes Republican even though it is densely developed (about 80%, well above the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Yuba City runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.

High-school completion, developed land, and voter turnout

Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Yuba City, CA does.

Why turnout in Yuba City looks the way it does

Renters vote less often than owners. About 39% of households in Yuba City rent, about 14 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Yuba City sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 21% of adults in Yuba City report food insecurity, above 84% of cities. Learn more about the findings and methodology on the political spectrum map.

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.