Millbrae is a city located in San Mateo County California. With a 2020 population of 23,552, it is the 316th largest city in California and the 1980th largest city in the United States. Millbrae is currently growing at a rate of 0.72% annually and its population has increased by 1.45% since the most recent census, which recorded a population of 23,216 in 2020. Spanning over 3 miles, Millbrae has a population density of 7,244 people per square mile.
The average household income in Millbrae is $161,177 with a poverty rate of 5.35%. The median rental costs in recent years comes to $2,834 per month, and the median house value is $1.53 Mn. The median age in Millbrae is 43.9 years, 41.5 years for males, and 45.8 years for females.
According to the most recent ACS, the racial composition of Millbraewas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 63.01%.
52.98% of Millbrae residents speak only English, while 47.02% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 33.25% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Millbrae is Islander, with 100.00% below the poverty level.
The race least likely to be in poverty in Millbrae is Multiple, with 0.80% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.55%. Among those working part-time, it was 5.17%, and for those that did not work, the poverty rate was 12.23%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Millbrae
61.94% of Millbrae residents were born in the United States, with 49.01% having been born in California. 11.10% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.