Brookdale leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 58% of adults in Brookdale typically vote, near the U.S. average of about 62%. Among adults in Brookdale, ~39% vote Democratic, ~19% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Brookdale compares
Among cities within 25 miles, Brookdale leans more Democratic than 18 of 47 neighbors.
Brookdale runs about 16 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Brookdale. The northeast side is the most Democratic-leaning (D+50) and the west side is the least Democratic-leaning (D+28), a spread of about 21 points.
Why Brookdale 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 Brookdale, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 48% of adults in Brookdale hold a bachelor's degree, about 19 points above the U.S. average of 28%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Brookdale, CA sits in the top tenth 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 Brookdale looks the way it does
Crowded housing lines up with lower turnout. About 12% of homes in Brookdale have more than one occupant per room, above 98% of cities. Strong routine healthcare access lines up with higher turnout, and Brookdale sits in the top quarter on routine-care measures. Renters vote less often than owners, and about 35% of households in Brookdale rent, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ben Lomond, CA D+31
- Boulder Creek, CA D+37
- Lompico, CA D+30
- Felton, CA D+39
- Forest Springs, CA D+41
- Mount Hermon, CA D+46
- San Lorenzo Park, CA D+47
- Swanton, CA D+54
- Scotts Valley, CA D+42
- Davenport, CA D+52
Cities with Similar Populations
- Henderson, MI R+37
- Manitou, KY R+62
- Baxter, IA R+39
- Surrey, ND R+64
- Spotsylvania Courthouse, VA R+32
- Farnham, VA R+38
- Stoney Point, LA R+65
- Tye, TX R+66
- Milford, IL R+57
- Amsterdam, OH R+63
All Local Stats
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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.