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Millbrae, CA

City in San Mateo County, California. ZIP codes: 94030.

Population

22,689

Land area

3.3sq mi

People per sq mi

6,941

ZIP codes

1

Millbrae and its ZIP codes

Millbrae at a glance

  • Millbrae is about 28 times as dense as California as a whole.
  • Households here earn a median of $163,476 a year, 65% more than the California figure of $99,122.
  • A typical owner-occupied home is valued at $1,934,900 (about 2.6 times the California figure) and median rent is $3,272 a month.

Local data for Millbrae, CA

Counts from official public data

Housing and community stats

Millbrae, CA, American Community Survey 2020-2024

Full profile

Median household income

$163,476

Poverty rate

6.0%

Median home value

$1,934,900

Median rent

$3,272/mo

Homeownership

60.8%

Bachelor's or higher

52.7%

Median age

43.7

Average commute

28.6 min

Largest reported origins and ancestries: Chinese Americans (6,764), Mexican Americans (1,396), Italian Americans (1,382).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for San Mateo County. PPP loans are for Millbrae.

Details

Unemployment rate

4.0%

Aug 2026, -0.3 pts in a year

Average annual pay

$214,295

411,346 jobs, 2025

Income per person

$179,656

BEA, 2024

Federal spending

$5.06B

FY 2026, $6,619 per person

PPP loans

$55.28M

899 loans, 6,520 jobs reported

San Mateo County economyFederal spendingPPP loans

How people get to work

Millbrae, CA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone59.0%
  • Carpooled8.1%
  • Public transit7.5%
  • Walked1.4%
  • Bicycle0.4%
  • Taxi, ride-hailing, motorcycle or other1.4%
  • Worked from home22.2%

Average one-way commute: 28.6 minutes for people who do not work from home.

Environment and hazard risk

Millbrae, CA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: earthquake

Storm events since 1996

690

Countywide, mostly strong wind

Flood insurance policies

3,346

1.8% of homes, county

July high / Jan low

73° / 45°F

19.6 inches of rain a year

Hazards, floods and storm historyCheck a flood zone1 historic places

Health statistics

Share of adults in Millbrae, CA, CDC PLACES estimates

All 40 measures

Obesity

19.1%

U.S. 33.3% -14.2 pts

Diabetes

11.0%

U.S. 12.1% -1.1 pts

Smoking

7.7%

U.S. 12.8% -5.1 pts

Uninsured (18-64)

5.1%

U.S. 11.1% -6.0 pts

ZIP codes in Millbrae

1 in or overlapping Millbrae. Population shown

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Cities near Millbrae

Frequently asked questions

What county is Millbrae, CA in?
Millbrae is in San Mateo County, California.
What ZIP codes are in Millbrae, CA?
ZIP codes in or overlapping Millbrae include 94030.
What is the population of Millbrae, CA?
About 22,689 people live in Millbrae, based on American Community Survey 5-year estimates.
What cities are near Millbrae?
Nearby places include San Bruno (2.2 mi), Burlingame (2.3 mi), South San Francisco (3.8 mi), Hillsborough (3.9 mi), Pacifica (4.1 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023