West Whittier-Los Nietos, CA Political Map | Democrat & Republican Areas in West Whittier-Los Nietos

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

West Whittier-Los Nietos leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.

 

About 52% of adults in West Whittier-Los Nietos typically vote, below the U.S. average of about 62%. Among adults in West Whittier-Los Nietos, ~33% vote Democratic, ~19% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.

How West Whittier-Los Nietos compares

Among cities within 25 miles, West Whittier-Los Nietos leans more Democratic than 98 of 146 neighbors.

West Whittier-Los Nietos runs about 8 points more Democratic than California as a whole.

Why West Whittier-Los Nietos 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 West Whittier-Los Nietos, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in West Whittier-Los Nietos live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 43% of adults in West Whittier-Los Nietos have never been married, above 96% of cities.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; West Whittier-Los Nietos, 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 West Whittier-Los Nietos looks the way it does

Areas with limited routine healthcare access turn out at lower rates. West Whittier-Los Nietos is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 24% of adults in West Whittier-Los Nietos report food insecurity, above 90% of cities. 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.