Monterey Park, CA Political Map | Democrat & Republican Areas in Monterey Park

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

Monterey Park leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 

About 48% of adults in Monterey Park typically vote, below the U.S. average of about 62%. Among adults in Monterey Park, ~29% vote Democratic, ~19% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.

How Monterey Park compares

Among cities within 25 miles, Monterey Park leans more Democratic than 58 of 147 neighbors.

Politically, Monterey Park sits close to the rest of California.

Politics vary noticeably by neighborhood within Monterey Park. The southwest side is the most Democratic-leaning (D+31) and the northeast side is the least Democratic-leaning (D+13), a spread of about 18 points.

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

Dense areas vote Democratic. More than 99% of residents in Monterey Park live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Monterey Park sits in the top quarter (about 36%, above 84% of cities). A high never-married share predicts Democratic voting, and about 35% of adults in Monterey Park have never been married, above 88% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Monterey Park, CA sits in the top tenth nationally on this measure.

Why turnout in Monterey Park looks the way it does

Renters vote less often than owners. About 48% of households in Monterey Park rent, about 23 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 22% of adults in Monterey Park report food insecurity, above 85% 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.