Millbrae

County:: San Mateo County
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.

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

Asian

White

Two or more races

Other race

Native Hawaiian or Pacific Islander

Black or African American

Native American

Race	Population	Percentage (of total)
Asian	11,071	49.01%
White	7,685	34.02%
Two or more races	2,093	9.27%
Other race	1,274	5.64%
Native Hawaiian or Pacific Islander	284	1.26%
Black or African American	113	0.5%
Native American	69	0.31%

Millbrae Marital Status

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