Millbrae Flag

Millbrae

County Seat:
No
Area (mi²):
3.269
State:
California

Millbrae is a city located in San Mateo County, California. Millbrae has a 2026 population of 23,321. Millbrae is currently growing at a rate of 3.55% annually and its population has increased by 0.79% since the most recent census, which recorded a population of 23,138 in 2020.

23.3K
Total Population
7,135
Density (mi²)
799 3.55%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)