Riverview West, Santa Ana, CA Political Map | Democrat & Republican Areas in Riverview West

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

Riverview West leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.

 

About 41% of adults in Riverview West typically vote, below the U.S. average of about 62%. Among adults in Riverview West, ~22% vote Democratic, ~19% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.

How Riverview West compares

Among neighborhoods within 5 miles, Riverview West leans more Democratic than 2 of 33 neighbors.

Riverview West runs about 15 points more Republican than California as a whole.

Politics vary noticeably by block within Riverview West. The northeast side runs the most Democratic (D+13) and the west side runs the most Republican (R+7), a spread of about 20 points.

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

Dense areas vote Democratic. More than 99% of residents in Riverview West 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; Riverview West, 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 Riverview West looks the way it does

Crowded housing lines up with lower turnout. About 14% of homes in Riverview West have more than one occupant per room, above 96% of neighborhoods. Low high-school completion lines up with lower turnout, and about 72% of adults in Riverview West have completed high school, below 93% 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.