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

Stevinson is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.

 
Stevinson, CA block-group political-lean map
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About 33% of adults in Stevinson typically vote, below the U.S. average of about 62%. Among adults in Stevinson, ~8% vote Democratic, ~25% Republican, and ~67% don't vote. The map below shows estimated turnout by block group.

Stevinson, CA block-group voter-turnout map
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How Stevinson compares

Among cities within 25 miles, Stevinson leans more Republican than 25 of 28 neighbors.

Stevinson runs about 70 points more Republican than California as a whole. California leans Democratic overall, while Stevinson is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Stevinson. The southeast side is the most Republican-leaning (R+66) and the south side is the least Republican-leaning (R+38), a spread of about 28 points.

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

Areas with low college attainment vote Republican. About 9% of adults in Stevinson hold a bachelor's degree, about 26 points below the California average of 35%. A high family-household share predicts Republican voting, and about 82% of households in Stevinson are family households, above 92% of cities. Stevinson runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Stevinson, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Stevinson looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Stevinson 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 48%, about 14 points below the California average of 62%. Renters vote less often than owners, and about 47% of households in Stevinson rent, about 22 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 35% of adults in Stevinson report food insecurity, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.