Millbrae ZIP Code List — San Mateo County, CA

There is one unique ZIP code in Millbrae, California and it is 94030. Area code: 650.

ZIP codes

3.37

sq mi land

0.00

sq mi water

650

area code

Millbrae, CA ZIP code map

About Millbrae, CA

Millbrae, California, is a charming city located in San Mateo County. Known for its suburban feel and close-knit community, Millbrae offers a blend of residential tranquility and easy access to urban amenities. With just one ZIP code, 94030, this small city has a lot to offer both residents and visitors alike.

Location & geography

Millbrae is positioned on the San Francisco Peninsula, bordered by the Pacific Ocean to the west and San Francisco International Airport to the north. It sits approximately 10 miles south of San Francisco, 18 miles north of San Jose, and nearby cities include Burlingame to the northeast and San Bruno to the southeast. The city encompasses a land area of 3.37 square miles with no bodies of water, making it a landlocked community.

Community & economy

The character of Millbrae is defined by its diverse population and strong emphasis on community engagement. Major industries in the area include hospitality, retail, and service sectors, with many residents commuting to nearby tech hubs. Daily life in Millbrae often revolves around local parks, schools, and the lively downtown area, which features various shops and restaurants.

Transportation

Millbrae is conveniently connected by major highways, including U.S. Route 101 and Interstate 280, providing easy access to neighboring cities and regions. The Millbrae BART and Caltrain station offers public transit options, while the proximity to San Francisco International Airport makes air travel very convenient for residents and visitors.

History

Millbrae was founded in the late 19th century and has historically been characterized by agriculture and suburban development. The city's strategic location near the airport fueled growth in various industries, including hospitality and transportation services. Notable events include the city's incorporation in 1949, which marked its transition from a small farming community to a bustling suburban city.

Did you know?

One surprising fact about Millbrae is that it has a rich history tied to the early Chinese immigration around the 1850s, which has helped shape its diverse culture. Additionally, Millbrae is known for its annual Art & Wine Festival, drawing visitors from across the Bay Area.

ZIP codes for Millbrae, CA (1)

ZIP code	City	County	Map
94030	Millbrae	San Mateo	View map

Demographics & statistics

22,825

Population

45.7

Median age

$146,649

Median household income

$71,386

Per capita income

$1,874,100

Median home value

$3,322

Median monthly rent

61.4%

Home ownership

6.4%

Poverty rate

5.3%

Unemployment

5,473

Housing units

49.7%

Bachelor's or higher

Age distribution

Male Female

616

Under 5

650

481

5–9

506

573

10–14

604

655

15–19

691

535

20–24

564

1,169

25–34

1,231

1,389

35–44

1,464

1,698

45–54

1,789

951

55–59

1,003

732

60–64

772

1,141

65–74

1,202

656

75–84

691

517

85+

545

← Male

Female →

Age summary

Group	Count	%
Under 18	4,319	18.9%
18 and over	18,506	81.1%
65 and over	4,752	20.8%
Median age	45.7 years

Race & ethnicity

Asian 44%

White 33.4%

Two or more races 8.4%

Hispanic or Latino 7.7%

Other race 4.3%

Native Hawaiian / Pacific Islander 1.4%

Black or African American 0.5%

American Indian / Alaska Native 0.3%

Group	Count	%
Asian	10,877	44%
White	8,256	33.4%
Two or more races	2,081	8.4%
Hispanic or Latino	1,916	7.7%
Other race	1,072	4.3%
Native Hawaiian / Pacific Islander	354	1.4%
Black or African American	115	0.5%
American Indian / Alaska Native	70	0.3%

Household income

Under $10k 3.2%

$10k–$15k 2.5%

$15k–$25k 5.1%

$25k–$35k 3.0%

$35k–$50k 6.0%

$50k–$75k 7.8%

$75k–$100k 8.2%

$100k–$150k 15.9%

$150k–$200k 13.5%

$200k+ 34.9%

Range	% of households
Under $10k	3.2%
$10k–$15k	2.5%
$15k–$25k	5.1%
$25k–$35k	3.0%
$35k–$50k	6.0%
$50k–$75k	7.8%
$75k–$100k	8.2%
$100k–$150k	15.9%
$150k–$200k	13.5%
$200k+	34.9%
Median income	$146,649

Housing

Home values

Under $50k 2.3%

$100k–$150k 1.1%

$150k–$200k 0.3%

$200k–$300k 1.3%

$300k–$500k 0.8%

$500k–$1M 4.0%

$1M+ 90.2%

Housing overview

Metric	Value
Median home value	$1,874,100
Median rent / month	$3,322
Owner occupied	61.4%
Renter occupied	38.6%
Vacant	6.0%
Single-family detached	64.0%
Large apartment buildings	16.4%
Mobile homes	0.1%
Median rooms	5.5
Avg household size (owned)	2.82

Year built

Era	%
2020 or later	0.4%
2010–2019	5.7%
2000–2009	3.2%
1990–1999	3.3%
1980–1989	7.5%
1970–1979	10.9%
1960–1969	19.4%
1950–1959	25.0%
1940–1949	17.4%
1939 or earlier	7.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.8%
1 bedroom	10.8%
2 bedrooms	26.0%
3 bedrooms	37.8%
4 bedrooms	18.6%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	7.9%
1 vehicle	29.7%
2 vehicles	31.1%
3 or more	31.2%

Heating fuel

Fuel type	%
Utility gas	66.1%
Electricity	30.3%
Propane / LP gas	1.3%
Wood	0.2%
Solar	0.5%
No fuel used	1.6%

Households & families

Household type	Count	%
Married-couple family	4,222	52.3%
Cohabiting couple	418	5.2%
Male householder, no spouse	1,048	13.0%
Female householder, no spouse	2,386	29.6%
Households with children under 18	2,593	32.1%
Households with seniors (65+)	3,343	41.4%
Average household size	2.79

Marital status

Status	Male	Female
Never married	35.3%	26.0%
Married	54.2%	49.2%
Separated	0.4%	1.6%
Widowed	2.3%	11.6%
Divorced	7.8%	11.5%

Education

Less than 9th grade 3.5%

Some HS, no diploma 2.6%

HS graduate 17.2%

Some college, no degree 19.1%

Associate's degree 8.1%

Bachelor's degree 30.9%

Graduate / professional 18.8%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	49.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	274	5.8%
Kindergarten	190	4.0%
Elementary school	1,702	35.8%
High school	1,214	25.6%
College / grad school	1,368	28.8%

Employment

Industry of employment

Education & healthcare 19.7%

Professional & management 18.3%

Finance & real estate 9.3%

Transportation & utilities 8.6%

Arts, food & hospitality 8.5%

Retail trade 7.6%

Manufacturing 7.0%

Other services 5.9%

Construction 4.5%

Information 4.3%

Public administration 4.3%

Wholesale trade 2.0%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	53.5%
Service	13.0%
Sales & office	19.6%
Natural resources & construction	4.5%
Production & transportation	9.4%

Employment type

Type	%
Private sector	79.1%
Government	11.9%
Self-employed	9.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	59.7%
Carpool	9.5%
Public transit	9.5%
Walk	1.6%
Other means	1.6%
Avg commute (minutes)	28.7

Poverty

All people 6.4%

Under 18 years 5.7%

18 and over 6.5%

Married-couple families 3.1%

Female-led households 9.9%

Income support

Source	% of households
Social Security	36.5%
Retirement income	27.7%
Supplemental Security	3.5%
Cash public assistance	4.1%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
High blood pressure	27.7%
High cholesterol	33.7%
Heart disease	5.5%
Stroke	2.5%
Asthma	7.7%
Arthritis	20.2%
Kidney disease	2.6%
Pulmonary disease	4.5%
Cancer	6.9%

Behavior / access	%
Binge drinking	13.5%
No physical activity	17.4%
Less than 7 hrs sleep	28.1%
Fair or poor health	10.5%
Poor mental health	10.5%
Poor physical health	7.6%
No health insurance	7.9%
Visited doctor (checkup)	69.8%
Visited dentist	72.4%
Cholesterol screening	93.3%
Teeth loss	7.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	591	3.2%

Disability	%
Any disability	9.9%
Under 18	2.0%
18–64 years	6.0%
65 and over	29.1%

Health insurance coverage

Type	%
Private insurance	82.1%
Public insurance	31.1%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,559	94.5%
Spanish	4,212	19.5%
Other Indo-European	454	2.1%
Asian & Pacific Islander	557	2.6%
Other languages	3,116	14.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,773	60.3%
Born in same state	13,438	58.9%
Born in different state	10,933	47.9%
Foreign born	335	1.5%
Naturalized citizen	9,052	39.7%
Not a US citizen	6,546	72.3%

Ancestry

Ancestry	Count	%
Italian	1,326	5.8%
French	1,195	5.2%
Arab	632	2.8%
English	98	0.4%
Irish	95	0.4%

Ancestry	Count	%
Polish	94	0.4%
Dutch	57	0.2%
Norwegian	22	0.1%
German	9	0%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	95.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Millbrae, CA?

Millbrae, CA has one ZIP code: 94030.

What is the main ZIP code for Millbrae, CA?

The primary ZIP code for Millbrae, CA is 94030. The city uses area code 650 for phone service.

What county is Millbrae, CA in?

Millbrae is located in San Mateo County, California.

How many ZIP codes are in Millbrae, CA?

Millbrae, CA has 1 ZIP code.

What ZIP code covers the Millbrae downtown area near The Broadway shopping center?

The downtown Millbrae area, including The Broadway shopping district and main commercial corridors, is located in ZIP code 94030.

What is the ZIP code for the Millbrae neighborhood near San Francisco International Airport?

The Millbrae residential areas near SFO and the airport corridor are all served by ZIP code 94030, which covers the entire city.