Zip code 94403: San Mateo, California

Q: What city is zip code 94403?

94403 is assigned to San Mateo, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 94403 in?

94403 is in San Mateo County, California.

Q: What is the population of 94403?

About 43,276 people live in 94403, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 94403?

The median household income in 94403 is $174,917.

Q: What zip codes are near 94403?

The closest zip codes to 94403 are 94497, 94402, 94002, 94404, 94401.

Residential delivery areaSan Mateo CountyPacific Time

Population

43,276

Median household income

$175K

U.S. $81K

Median home value

$1.7M

U.S. $333K

Median rent

$3,263/mo

U.S. $1,413

Median age

38.9

U.S. 38.9

Land area

5.6 sq mi

7,683 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 94403

94403 is an urban zip code in San Mateo, California (San Mateo County), covering 5.6 sq mi of land. About 43,276 people live here, or 7,683 per square mile. The median resident is 38.9 years old, compared with 38.9 nationally.

The median household earns $174,917 a year, about 2.2× the national median of $80,734. 6.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,746,300, or 10.0 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 53% of occupied homes are lived in by their owners, and renters pay a median of $3,263 a month.

61% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.3 minutes each way, and 26% of workers work from home. The most common jobs among working residents are in management; healthcare; and computer and math (tech). 50% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 94403 compares

Sorted from highest to lowest national percentile

Median home value$1,746,300
99th
U.S. $332,700 · CA $734,70099th of 1,586 in CA
Median gross rent$3,263
99th
U.S. $1,413 · CA $2,03672nd of 1,464 in CA
Median household income$174,917
98th
StrengthU.S. $80,734 · CA $99,122118th of 1,575 in CA
Median earnings per worker$102,836
98th
StrengthU.S. $49,666 · CA $52,643106th of 1,658 in CA
Per capita income$88,226
97th
StrengthU.S. $44,673 · CA $49,513156th of 1,685 in CA
Tech workers10.5%
97th
U.S. 3.8% · CA 4.4%106th of 1,678 in CA
Diversity index71
95th
U.S. 61.4 · CA 69.7130th of 1,688 in CA
Foreign-born residents37.3%
93rd
U.S. 14.1% · CA 27%235th of 1,688 in CA
Bachelor's degree or higher60.6%
90th
StrengthU.S. 35.7% · CA 37.1%254th of 1,687 in CA
Broadband access96.7%
90th
StrengthU.S. 91% · CA 93.5%325th of 1,662 in CA
Population density7,683/sq mi
89th
U.S. 95/sq mi · CA 252/sq mi268th of 1,688 in CA
Work from home25.5%
89th
U.S. 15.1% · CA 17.2%387th of 1,680 in CA
Population43,276
72nd
U.S. 334,922,499 · CA 39,287,377330th of 1,688 in CA
Self-employed workers10.9%
68th
U.S. 10% · CA 11.4%909th of 1,678 in CA
Income inequality (Gini)0.457
68th
U.S. 0.483 · CA 0.489615th of 1,651 in CA
Healthcare workers10.6%
66th
U.S. 9.7% · CA 9.4%462nd of 1,678 in CA
Unemployment rate5.8%
65th
U.S. 5.2% · CA 6.6%925th of 1,681 in CA
Housing vacancy7.8%
59th
U.S. 10.1% · CA 7.5%719th of 1,664 in CA
Average commute26.3 min
52nd
U.S. 26.4 min · CA 28.7 min952nd of 1,584 in CA
Median age38.9
49th
U.S. 38.9 · CA 37.9937th of 1,687 in CA
Residents 65 and older16.3%
48th
U.S. 17.2% · CA 15.7%896th of 1,688 in CA
Rent-burdened renters43.9%
26th
U.S. 51.1% · CA 55.3%1,294th of 1,610 in CA
Residents under 1819.2%
26th
U.S. 22% · CA 22%1,015th of 1,688 in CA
Poverty rate6.6%
22nd
U.S. 12.5% · CA 12%1,294th of 1,666 in CA
Homeownership rate52.5%
21st
U.S. 65.2% · CA 55.9%1,162nd of 1,662 in CA
Uninsured rate3.2%
14th
StrengthU.S. 8.4% · CA 6.6%1,261st of 1,675 in CA
Veterans2.9%
14th
U.S. 6.2% · CA 4.3%1,191st of 1,686 in CA
Government workers9.4%
14th
U.S. 14.5% · CA 14.8%1,414th of 1,678 in CA

Measure	94403	San Mateo	CA	U.S.	National percentile	Rank in CA
Median home value	$1,746,300	$1,559,600	$734,700	$332,700	99th	99th of 1,586
Median gross rent	$3,263	$2,922	$2,036	$1,413	99th	72nd of 1,464
Median household incomeStrength	$174,917	$158,855	$99,122	$80,734	98th	118th of 1,575
Median earnings per workerStrength	$102,836	$79,802	$52,643	$49,666	98th	106th of 1,658
Per capita incomeStrength	$88,226	$84,288	$49,513	$44,673	97th	156th of 1,685
Tech workers	10.5%	8.3%	4.4%	3.8%	97th	106th of 1,678
Diversity index	71	71.8	69.7	61.4	95th	130th of 1,688
Foreign-born residents	37.3%	35.7%	27%	14.1%	93rd	235th of 1,688
Bachelor's degree or higherStrength	60.6%	53.7%	37.1%	35.7%	90th	254th of 1,687
Broadband accessStrength	96.7%	95.7%	93.5%	91%	90th	325th of 1,662
Population density	7,683/sq mi	1,655/sq mi	252/sq mi	95/sq mi	89th	268th of 1,688
Work from home	25.5%	24.3%	17.2%	15.1%	89th	387th of 1,680
Population	43,276	742,340	39,287,377	334,922,499	72nd	330th of 1,688
Self-employed workers	10.9%	10.5%	11.4%	10%	68th	909th of 1,678
Income inequality (Gini)	0.457	0.497	0.489	0.483	68th	615th of 1,651
Healthcare workers	10.6%	9.6%	9.4%	9.7%	66th	462nd of 1,678
Unemployment rate	5.8%	4.8%	6.6%	5.2%	65th	925th of 1,681
Housing vacancy	7.8%	7.9%	7.5%	10.1%	59th	719th of 1,664
Average commute	26.3 min	26.4 min	28.7 min	26.4 min	52nd	952nd of 1,584
Median age	38.9	40.9	37.9	38.9	49th	937th of 1,687
Residents 65 and older	16.3%	17.8%	15.7%	17.2%	48th	896th of 1,688
Rent-burdened renters	43.9%	48.4%	55.3%	51.1%	26th	1,294th of 1,610
Residents under 18	19.2%	19.5%	22%	22%	26th	1,015th of 1,688
Poverty rate	6.6%	6.7%	12%	12.5%	22nd	1,294th of 1,666
Homeownership rate	52.5%	58.5%	55.9%	65.2%	21st	1,162nd of 1,662
Uninsured rateStrength	3.2%	3.8%	6.6%	8.4%	14th	1,261st of 1,675
Veterans	2.9%	2.9%	4.3%	6.2%	14th	1,191st of 1,686
Government workers	9.4%	11.6%	14.8%	14.5%	14th	1,414th of 1,678

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

13%

5–17

18–24

17%

25–34

17%

35–44

13%

45–54

11%

55–64

65–74

75+

Median age

38.9

Under 18

19.2%

65 and over

16.3%

Race and ethnicity

White36%
Black1%
Hispanic25%
Asian31%
Native American0.1%
Pacific Islander0.5%
Other1%
Multiracial5%

Diversity index

U.S. 61.4

Foreign-born

37.3%

U.S. 14.1%

Born in state

46.2%

Language spoken at home (households)

English only

50%

Spanish

14%

Other Indo-European

13%

Asian / Pacific

22%

Other

0.5%

Households

Households: 16,414
Average household size: 2.6
Family households: 66.7%
Married couples: 55.2%
Living alone: 25.8%
Veterans (of adults): 2.9%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

14%

$150–200k

11%

$200k+

45%

Median household income

94403

$174,917

San Mateo Co.

$158,855

California

$99,122

United States

$80,734

Per capita income

$88,226

U.S. $44,673

Poverty rate

6.6%

U.S. 12.5%

Households earning $150K+

56.2%

U.S. 23%

Income inequality (Gini)

0.457

U.S. 0.483

Housing

Median home value

94403

$1,746,300

San Mateo Co.

$1,559,600

California

$734,700

United States

$332,700

Median gross rent

94403

$3,263

San Mateo Co.

$2,922

California

$2,036

United States

$1,413

Types of housing

Single-family

56%

2–4 units

5–19 units

14%

20+ units

23%

Mobile home

Boat, RV, van

Housing units: 17,799
Owner-occupied: 52.5%
Vacant: 7.8%
Median year built: 1965
Median rooms: 4.6
Renters paying 30%+ of income: 43.9%
Renters paying 50%+ of income: 20.9%
Home value to income: 10.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

56%

Carpooled

Transit

Walked

Bicycle

0.4%

Worked from home

26%

Other

Commute time (one way)

<10 min

10–19

29%

20–29

21%

30–44

26%

45–59

60+

Average commute

26.3 min

U.S. 26.4 min

Unemployment

5.8%

U.S. 5.2%

In labor force

70.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

18%

Healthcare

11%

Computer and math

10%

Business and finance

Sales

Engineering and science

Office and admin

Education

Cleaning and personal care

Transportation and moving

Construction and repair

Food service

Arts, media and sports

Legal and social services

Production

Police and fire

0.7%

Farming, fishing and forestry

0.6%

Industries

Professional and technical services

20%

Health care and social assistance

14%

Manufacturing

Education

Retail

Information

Finance, insurance and real estate

Transportation, warehousing and utilities

Admin, support and management

Restaurants and hotels

Other services

Construction

Public administration

Arts and recreation

Wholesale

Agriculture and mining

0.4%

Median earnings per worker

$102,836

U.S. $49,666

Self-employed

10.9%

U.S. 10%

Government workers

9.4%

U.S. 14.5%

Nonprofit workers

9.6%

U.S. 8.8%

Median earnings by type of work

Type of work	94403	U.S.
Management, business, science and arts	$140,180	$74,888
Service	$30,711	$26,804
Sales and office	$85,250	$40,476
Construction and maintenance	$57,478	$49,199
Production and transportation	$41,580	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

11%

Some college

13%

Associate's

Bachelor's

33%

Graduate

27%

High school graduate or higher: 92.6%
Bachelor's degree or higher: 60.6%
Graduate or professional degree: 27.4%
Households with broadband: 96.7%
Cable, fiber or DSL: 86.5%
No internet access: 2.5%
Without health insurance: 3.2%
Limited-English households: 8.3%

Geography

City (USPS): San Mateo
State: California
County: San Mateo County
Center point: 37.5384° N, 122.3054° W
Land area: 5.6 sq mi
Water area: 0.2 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

San Mateo97% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 94403

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
94497	San Mateo, CA · PO box	1.2 mi	—	—	—
94402	San Mateo, CA	1.4 mi	25,475	$172,522	$2,000,000+
94002	Belmont, CA	1.8 mi	27,534	$203,965	$2,000,000+
94404	San Mateo, CA	2.4 mi	35,881	$192,332	$1,714,400
94401	San Mateo, CA	2.7 mi	35,295	$122,227	$1,184,500
94065	Redwood City, CA	3.1 mi	11,673	$215,955	$1,811,800
94070	San Carlos, CA	3.4 mi	30,447	$240,074	$2,000,000+
94010	Burlingame, CA	4.5 mi	43,025	$196,882	$2,000,000+
94011	Burlingame, CA · PO box	4.6 mi	—	—	—
94061	Redwood City, CA	6.5 mi	37,048	$146,265	$1,900,500
94063	Redwood City, CA	6.8 mi	34,433	$116,760	$1,042,500
94030	Millbrae, CA	6.8 mi	22,689	$163,476	$1,934,900

Zip codes like 94403 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 94403

What city is zip code 94403?

94403 is assigned to San Mateo, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 94403 in?

94403 is in San Mateo County, California.

What is the population of 94403?

About 43,276 people live in 94403, according to the Census Bureau's American Community Survey.

What time zone is 94403 in?

94403 is in Pacific Time.

What is the median household income in 94403?

The median household income in 94403 is $174,917.

What zip codes are near 94403?

The closest zip codes to 94403 are 94497, 94402, 94002, 94404, 94401.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94403, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.