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 21,386. Millbrae is currently declining at a rate of -1.61% annually and its population has decreased by -7.57% 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.

21.4K
Total Population
6,543
Density (mi²)
-350 -1.61%
Growth

Millbrae Population

Millbrae Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Millbrae includes 49.01% Asian, 34.02% White, 5.64% other race, and smaller percentages for Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
Asian11,07149.01%
White7,68534.02%
Two or more races2,0939.27%
Other race1,2745.64%
Native Hawaiian or Pacific Islander2841.26%
Black or African American1130.5%
Native American690.31%

Millbrae Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Millbrae's average per capita income is $81,295. Household income levels show a median of $157,567. The poverty rate stands at 6.11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$206,823-
Families$181,442$243,057
Households$157,567$210,044
Non Families$72,393$123,817

$81,295

Average Income

$157,567

Median Household Income

6.11%

Poverty Rate

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)