Holt leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 36% of adults in Holt typically vote, below the U.S. average of about 62%. Among adults in Holt, ~15% vote Democratic, ~21% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How Holt compares
Among cities within 25 miles, Holt leans more Republican than 26 of 42 neighbors.
Holt runs about 39 points more Republican than California as a whole. California leans Democratic overall, while Holt is one of the few Republican-leaning pockets.
Why Holt 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 Holt, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Holt live in densely developed areas, about 55 points below the California average of 58%. Low college attainment predicts Republican voting, and Holt sits in the bottom quarter (about 11%, below 90% of cities). Holt runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; Holt, CA sits in the bottom tenth nationally on this measure.
Why turnout in Holt looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Holt is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 21%, about 11 points above the California average of 10%. Renters vote less often than owners, and about 88% of households in Holt rent, compared to around 29% in nearby cities. High food insecurity lines up with lower turnout, and about 30% of adults in Holt report food insecurity, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Discovery Bay, CA R+12
- Byron, CA R+27
- Country Club, CA D+7
- Mountain House, CA D+12
- Knightsen, CA R+21
- French Camp, CA R+5
- Stockton, CA D+4
- Bethel Island, CA R+15
- Lathrop, CA D+3
- Tracy, CA D+4
Cities with Similar Populations
- Callaway, KY R+78
- Cane Creek, KY R+75
- Halsey, NE R+79
- Lemons, MO R+71
- Nanceville, CA R+45
- Nada, TX R+68
- Durgintown, ME R+28
- Carrothers, OH R+62
- Ramona, MI R+46
- Williamsville, VA R+59
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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.