Lyon Street, Santa Ana, CA Political Map | Democrat & Republican Areas in Lyon Street

By the BestNeighborhood data science team. Last updated May 2026.

Lyon Street leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.

 

About 26% of adults in Lyon Street typically vote, below the U.S. average of about 62%. Among adults in Lyon Street, ~17% vote Democratic, ~9% Republican, and ~74% don't vote. The map below shows estimated turnout by block group.

How Lyon Street compares

Among neighborhoods within 5 miles, Lyon Street leans more Democratic than 30 of 38 neighbors.

Lyon Street runs about 11 points more Democratic than California as a whole.

Politics vary noticeably by block within Lyon Street. The south side is the most Democratic-leaning (D+37) and the north side is the least Democratic-leaning (D+20), a spread of about 17 points.

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

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

Population density and Democratic lean

Places with high population density tend to lean Democratic; Lyon Street, Santa Ana, CA sits in the top tenth nationally on this measure.

Why turnout in Lyon Street looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Lyon Street 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 25%, about 14 points above the California average of 10%. Renters vote less often than owners, and about 83% of households in Lyon Street rent, compared to around 60% in nearby neighborhoods. High food insecurity lines up with lower turnout, and about 36% of adults in Lyon Street report food insecurity, above 89% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.