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

Radec leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.

 
Radec, CA block-group political-lean map
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About 48% of adults in Radec typically vote, below the U.S. average of about 62%. Among adults in Radec, ~14% vote Democratic, ~34% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.

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

Among cities within 25 miles, Radec leans more Republican than 32 of 33 neighbors.

Radec runs about 61 points more Republican than California as a whole. California leans Democratic overall, while Radec is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Radec. The south side is the most Republican-leaning (R+45) and the southeast side is the least Republican-leaning (R+34), a spread of about 11 points.

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

Radec votes against the grain of California. California leans Democratic overall, while Radec runs about 61 points more Republican. Rural areas vote Republican, and Radec sits in the bottom quarter on density (about 5%, below 75% of cities). A high family-household share predicts Republican voting, and about 77% of households in Radec are family households, above 81% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Radec, CA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Radec looks the way it does

Crowded housing lines up with lower turnout. About 4% of homes in Radec have more than one occupant per room, above 84% of cities. Strong routine healthcare access lines up with higher turnout, and Radec sits in the top quarter on routine-care measures. 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.