Yolo, CA Political Map | Democrat & Republican Areas in Yolo

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

Yolo leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.

 

About 48% of adults in Yolo typically vote, below the U.S. average of about 62%. Among adults in Yolo, ~20% vote Democratic, ~28% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.

How Yolo compares

Among cities within 25 miles, Yolo leans more Republican than 15 of 36 neighbors.

Yolo runs about 36 points more Republican than California as a whole. California leans Democratic overall, while Yolo is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Yolo. The west side is the most Republican-leaning (R+19) and the southeast side is the least Republican-leaning (R+9), a spread of about 10 points.

Why Yolo 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 Yolo, not a ranked or complete list of what matters most.

Areas with many family households vote Republican. About 86% of households in Yolo are family households, about 19 points above the U.S. average of 67%. Yolo runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.

Renting and voter turnout

Places with renter-heavy households tend to turn out at a lower rate; Yolo, CA sits in the top tenth nationally on this measure.

Why turnout in Yolo looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Yolo is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 52% of households in Yolo rent, about 27 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.

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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.