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 2025 population of 23,366 . Millbrae is currently growing at a rate of 0.19% annually and its population has increased by 0.99% since the most recent census, which recorded a population of 23,138 in 2020.

The average household income in Millbrae is $210,044 with a poverty rate of 6.11%. The median age in Millbrae is 45.3 years: 42.5 years for males, and 47.9 years for females. For every 100 females there are 95.3 males.

23.4K
Total Population
7,148
Density (mi²)
45 0.19%
Growth

Millbrae Population

Demographics

Economics and Income Statistics

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)