Topanga, CA Political Map | Democrat & Republican Areas in Topanga

Topanga leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.

 
Topanga, CA block-group political-lean map
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About 49% of adults in Topanga typically vote, below the U.S. average of about 62%. Among adults in Topanga, ~31% vote Democratic, ~17% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.

Topanga, CA block-group voter-turnout map
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How Topanga compares

Among cities within 25 miles, Topanga leans more Democratic than 53 of 82 neighbors.

Topanga runs about 8 points more Democratic than California as a whole.

Politics vary noticeably by neighborhood within Topanga. The south side is the most Democratic-leaning (D+38) and the north side is the least Democratic-leaning (D+18), a spread of about 20 points.

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

Areas with high college attainment vote Democratic. About 62% of adults in Topanga hold a bachelor's degree, about 33 points above the U.S. average of 28%.

Population density and Democratic lean

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

Why turnout in Topanga looks the way it does

Crowded housing lines up with lower turnout. About 4% of homes in Topanga have more than one occupant per room, above 83% of cities. Strong routine healthcare access lines up with higher turnout, and Topanga sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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.