ZipCodeLook
94401

Zip code 94401: San Mateo, California

Residential delivery areaSan Mateo CountyPacific Time
Population
35,295
Median household income
$122K
U.S. $81K
Median home value
$1.2M
U.S. $333K
Median rent
$2,762/mo
U.S. $1,413
Median age
35.9
U.S. 38.9
Land area
3.1 sq mi
11,345 people/sq mi

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

About 94401

94401 is a dense urban zip code in San Mateo, California (San Mateo County), covering 3.1 sq mi of land. About 35,295 people live here, or 11,345 per square mile. The median resident is 35.9 years old, compared with 38.9 nationally.

The median household earns $122,227 a year, 51% above the national median of $80,734. 12.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,184,500, or 9.7 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 43% of occupied homes are lived in by their owners, and renters pay a median of $2,762 a month.

46% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 25.7 minutes each way, and 21% of workers work from home. The most common jobs among working residents are in management; healthcare; and cleaning and personal care. 56% of households speak a language other than English at home, most often Spanish.

How 94401 compares

Sorted from highest to lowest national percentile

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

Median age
35.9
Under 18
19.2%
65 and over
16.6%

Race and ethnicity

  • White25%
  • Black1%
  • Hispanic38%
  • Asian24%
  • Native American0.3%
  • Pacific Islander3%
  • Other2%
  • Multiracial7%
Diversity index
72.8
U.S. 61.4
Foreign-born
39.9%
U.S. 14.1%
Born in state
47.5%

Language spoken at home (households)

English only
44%
Spanish
27%
Other Indo-European
10%
Asian / Pacific
18%
Other
1%

Households

Households
13,026
Average household size
2.6
Family households
60.1%
Married couples
40%
Living alone
30.1%
Veterans (of adults)
2.4%
Male / female
50% / 50%

Income and poverty

Household income distribution

<$25k
11%
$25–50k
14%
$50–75k
10%
$75–100k
9%
$100–150k
14%
$150–200k
15%
$200k+
28%

Median household income

94401
$122,227
San Mateo Co.
$158,855
California
$99,122
United States
$80,734
Per capita income
$63,426
U.S. $44,673
Poverty rate
12.2%
U.S. 12.5%
Households earning $150K+
42.2%
U.S. 23%
Income inequality (Gini)
0.483
U.S. 0.483

Housing

Median home value

94401
$1,184,500
San Mateo Co.
$1,559,600
California
$734,700
United States
$332,700

Median gross rent

94401
$2,762
San Mateo Co.
$2,922
California
$2,036
United States
$1,413

Types of housing

Single-family
39%
2–4 units
6%
5–19 units
19%
20+ units
35%
Mobile home
0.1%
Boat, RV, van
0.3%
Housing units
13,818
Owner-occupied
43.4%
Vacant
5.7%
Median year built
1964
Median rooms
4.1
Renters paying 30%+ of income
51.5%
Renters paying 50%+ of income
30.2%
Home value to income
9.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
60%
Carpooled
9%
Transit
5%
Walked
2%
Bicycle
0.6%
Worked from home
21%
Other
2%

Commute time (one way)

<10 min
7%
10–19
32%
20–29
25%
30–44
22%
45–59
6%
60+
8%
Average commute
25.7 min
U.S. 26.4 min
Unemployment
3.6%
U.S. 5.2%
In labor force
67.6%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
13%
Healthcare
10%
Cleaning and personal care
9%
Computer and math
9%
Construction and repair
9%
Office and admin
8%
Sales
8%
Business and finance
7%
Transportation and moving
7%
Engineering and science
5%
Food service
4%
Arts, media and sports
3%
Education
3%
Production
2%
Legal and social services
1%
Police and fire
1%
Farming, fishing and forestry
0.8%

Industries

Professional and technical services
17%
Health care and social assistance
11%
Retail
10%
Admin, support and management
9%
Construction
8%
Transportation, warehousing and utilities
6%
Education
6%
Finance, insurance and real estate
6%
Manufacturing
5%
Restaurants and hotels
4%
Other services
4%
Information
4%
Wholesale
3%
Public administration
3%
Arts and recreation
2%
Agriculture and mining
0.6%
Median earnings per worker
$65,178
U.S. $49,666
Self-employed
10.5%
U.S. 10%
Government workers
9.7%
U.S. 14.5%
Nonprofit workers
5.4%
U.S. 8.8%

Median earnings by type of work

Type of work94401U.S.
Management, business, science and arts$120,395$74,888
Service$35,620$26,804
Sales and office$51,804$40,476
Construction and maintenance$43,542$49,199
Production and transportation$48,191$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
15%
High school
15%
Some college
16%
Associate's
8%
Bachelor's
28%
Graduate
19%
High school graduate or higher
85.2%
Bachelor's degree or higher
46.3%
Graduate or professional degree
18.5%
Households with broadband
94.7%
Cable, fiber or DSL
84.2%
No internet access
3.7%
Without health insurance
5.4%
Limited-English households
12.3%

Geography

City (USPS)
San Mateo
Center point
37.5752° N, 122.3199° W
Land area
3.1 sq mi
Water area
under 0.1 sq mi
Time zone
Pacific Time (UTC-8, UTC-7 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • San Mateo100% of zip

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

Zip codes near 94401

ZipCityDistanceIncome
94402San Mateo2.5 mi$172,522
94011Burlingame · PO box2.6 mi—
94403San Mateo2.7 mi$174,917
94497San Mateo · PO box2.8 mi—
94010Burlingame3 mi$196,882
94404San Mateo3.2 mi$192,332
94002Belmont4.4 mi$203,965
94065Redwood City4.8 mi$215,955
94128San Francisco4.8 mi—
94030Millbrae4.9 mi$163,476
94070San Carlos6 mi$240,074
94066San Bruno7.1 mi$141,272

Zip codes like 94401 elsewhere

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

Questions about 94401

What city is zip code 94401?

94401 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 94401 in?

94401 is in San Mateo County, California.

What is the population of 94401?

About 35,295 people live in 94401, according to the Census Bureau's American Community Survey.

What time zone is 94401 in?

94401 is in Pacific Time.

What is the median household income in 94401?

The median household income in 94401 is $122,227.

What zip codes are near 94401?

The closest zip codes to 94401 are 94402, 94011, 94403, 94497, 94010.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94401, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.