94030 ZIP Code — Millbrae, CA

San Mateo County, California

ZIP code 94030 is located in Millbrae, California, within San Mateo County. It covers approximately 3.37 square miles and serves a population of 22,825 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 650.

About ZIP code 94030

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $1,874,100. Owner-occupancy sits near the national average at 61%.

The gap between median ($146,649) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is high — 50% of residents hold a bachelor's degree or higher, well above the national average of 33%.

22,825

population

3.37

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94030 ZIP code map

Cities in ZIP code 94030

Below are the cities the US Postal Service accepts for ZIP code 94030. Using any city not on this list may result in mail delivery delays.

City	Status
Millbrae	Preferred

Nearby ZIP codes

94128 San Francisco (2.1 mi) 94066 San Bruno (2.2 mi) 94010 Burlingame (2.8 mi) 94080 South San Francisco (4.2 mi) 94044 Pacifica (4.5 mi) 94401 San Mateo (4.9 mi) 94497 San Mateo (4.9 mi) 94402 San Mateo (5.7 mi) 94005 Brisbane (6.2 mi) 94014 Daly City (6.4 mi) 94038 Moss Beach (6.4 mi) 94015 Daly City (6.7 mi)

Demographics updated 06/2026

Population
Total population	22,825
Population density	6,773 / sq mi
State FIPS	06
County FIPS	081

Geography
Land area	3.37 sq mi
Water area	0.00 sq mi
Latitude	37.5985
Longitude	-122.4033
Timezone	Pacific (PT)
Area code	650

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.4%	18.4%	32.6%
$50k – $100k	20.4%	20.5%	27.7%
$100k – $200k	29.9%	30.5%	26.4%
Over $200k	29.3%	30.6%	13.3%

Demographics & statistics

22,825

Population

6,773

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	20.4%	18.4%	32.6%
$50k – $100k	20.4%	20.5%	27.7%
$100k – $200k	29.9%	30.5%	26.4%
Over $200k	29.3%	30.6%	13.3%

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%
Work from home	18.1%
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	%
Obesity	18.7%
High blood pressure	27.7%
High cholesterol	33.7%
Diabetes	9.5%
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	%
Smoking	8.0%
Binge drinking	13.5%
No physical activity	17.4%
Less than 7 hrs sleep	28.1%
Depression	12.3%
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%
No insurance	2.7%
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 about ZIP code 94030

What city is ZIP code 94030 in?

ZIP code 94030 is primarily assigned to Millbrae, California.

What county is ZIP code 94030 in?

ZIP code 94030 falls within San Mateo County, California.

How educated is the population of ZIP code 94030?

50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 94030 have a large retiree population?

37% of households in ZIP code 94030 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 94030?

The median household income in ZIP code 94030 is $146,649, above the national median of ~$75,000.

What is the typical home value in ZIP code 94030?

The median home value in ZIP code 94030 is $1,874,100.

What timezone is ZIP code 94030 in?

ZIP code 94030 observes the PST timezone.