Northwest, Anaheim, CA Political Map | Democrat & Republican Areas in Northwest

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

Northwest leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.

 

About 44% of adults in Northwest typically vote, below the U.S. average of about 62%. Among adults in Northwest, ~25% vote Democratic, ~19% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.

How Northwest compares

Among neighborhoods within 5 miles, Northwest leans more Democratic than 2 of 6 neighbors.

Northwest runs about 5 points more Republican than California as a whole.

Politics vary noticeably by block within Northwest. The northeast side is the most Democratic-leaning (D+21) and the west side is the least Democratic-leaning (D+6), a spread of about 15 points.

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

Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Northwest is about 16%, about 56 points below the U.S. average of 72%.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Northwest, Anaheim, CA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Northwest looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Northwest is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Crowded housing lines up with lower turnout, and about 16% of homes in Northwest have more than one occupant per room, above 97% of neighborhoods. Low high-school completion lines up with lower turnout, and about 73% of adults in Northwest 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.