Locke leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 33% of adults in Locke typically vote, below the U.S. average of about 62%. Among adults in Locke, ~12% vote Democratic, ~21% Republican, and ~67% don't vote. The map below shows estimated turnout by block group.
How Locke compares
Among cities within 25 miles, Locke leans more Republican than 38 of 52 neighbors.
Locke runs about 45 points more Republican than California as a whole. California leans Democratic overall, while Locke is one of the few Republican-leaning pockets.
Why Locke 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 Locke, not a ranked or complete list of what matters most.
Locke votes against the grain of California. California leans Democratic overall, while Locke runs about 45 points more Republican.
Population density and Republican lean
Places with low population density tend to lean Republican; Locke, CA sits in the bottom quarter nationally on this measure.
Why turnout in Locke looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Locke is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 49%, about 13 points below the California average of 62%. Renters vote less often than owners, and about 37% of households in Locke rent, above 92% of cities. High food insecurity lines up with lower turnout, and about 27% of adults in Locke report food insecurity, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Walnut Grove, CA R+7
- Thornton, CA R+26
- Walker Landing, CA Even
- Ryde, CA R+5
- Vorden, CA R+15
- Courtland, CA R+5
- Isleton, CA R+13
- Howard Landing, CA D+12
- Paintersville, CA R+9
- Woodbridge, CA R+23
Cities with Similar Populations
- Arbor, MO R+75
- Arrow Rock, MO R+62
- Wrights Corners, NY R+32
- Arctic Village, AK D+26
- Garwood, WV R+73
- Mizpah, MT R+84
- Penntown, IN R+62
- Pepsin, MO R+69
- Brandonville, PA R+48
- Dixon, WY R+76
All Local Stats
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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.