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

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

Buena Park leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.

 

About 55% of adults in Buena Park typically vote, below the U.S. average of about 62%. Among adults in Buena Park, ~30% vote Democratic, ~25% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.

How Buena Park compares

Among cities within 25 miles, Buena Park leans more Democratic than 37 of 138 neighbors.

Buena Park runs about 12 points more Republican than California as a whole.

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

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

Dense areas vote Democratic. More than 99% of residents in Buena Park live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Buena Park sits in the top quarter (about 33%, above 79% of cities). A high never-married share predicts Democratic voting, and about 38% of adults in Buena Park have never been married, above 92% of cities.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Buena Park, 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 Buena Park looks the way it does

Renters vote less often than owners. About 48% of households in Buena Park rent, about 23 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 14% of homes in Buena Park have more than one occupant per room, above 98% 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.