Central City Santa Ana, Santa Ana, CA Political Map | Democrat & Republican Areas in Central City Santa Ana

Central City Santa Ana leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.

 
Central City Santa Ana, Santa Ana, CA block-group political-lean map
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About 32% of adults in Central City Santa Ana typically vote, below the U.S. average of about 62%. Among adults in Central City Santa Ana, ~21% vote Democratic, ~11% Republican, and ~68% don't vote. The map below shows estimated turnout by block group.

Central City Santa Ana, Santa Ana, CA block-group voter-turnout map
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How Central City Santa Ana compares

Among neighborhoods within 5 miles, Central City Santa Ana leans more Democratic than 24 of 31 neighbors.

Central City Santa Ana runs about 11 points more Democratic than California as a whole.

Why Central City Santa Ana leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Central City Santa Ana, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Central City Santa Ana live in densely developed areas, about 64 points above the U.S. average of 36%.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Central City Santa Ana, Santa Ana, CA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Central City Santa Ana looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Central City Santa Ana 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 47%, about 15 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 35% of adults in Central City Santa Ana report food insecurity, above 88% of neighborhoods. Low high-school completion lines up with lower turnout, and about 54% of adults in Central City Santa Ana have completed high school, in the bottom fraction of neighborhoods. 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.