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ZIP Code 94401

San Mateo, CA, San Mateo County

Population

35,295

Land area

3.1sq mi

People per sq mi

11,346

City

San Mateo

ZIP 94401 and nearby ZIP codes

ZIP 94401 at a glance

  • ZIP 94401 (San Mateo) is about 45 times as dense as California as a whole.
  • The median household income is $122,227, 23% above the California median of $99,122.
  • A typical owner-occupied home is valued at $1,184,500 (61% above California) and median rent is $2,762 a month.

Local data for ZIP 94401

Counts from official public data

Housing and community stats

ZIP 94401, American Community Survey 2020-2024

Full profile

Median household income

$122,227

Poverty rate

12.2%

Median home value

$1,184,500

Prices -9.8% in a year

Median rent

$2,762/mo

Homeownership

43.4%

Bachelor's or higher

46.3%

Median age

35.9

Average commute

25.7 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

1,162

ZIP Business Patterns 2023

Employees

15,587

$1.5B annual payroll

PPP loans

$153M

1,366 loans

Campaign donations

$1.4M

7% D, 10% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 94401, 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 zone

Health statistics

Share of adults in ZIP 94401, CDC PLACES estimates

All 40 measures

Obesity

25.6%

U.S. 33.3% -7.7 pts

Diabetes

10.5%

U.S. 12.1% -1.6 pts

Smoking

10.0%

U.S. 12.8% -2.8 pts

Uninsured (18-64)

10.4%

U.S. 11.1% -0.7 pts

Frequently asked questions

What city is ZIP code 94401?
ZIP code 94401 is in San Mateo, CA (San Mateo County).
What county is ZIP code 94401 in?
ZIP code 94401 is mostly in San Mateo County, California.
How many people live in ZIP code 94401?
About 35,295 people live in the 94401 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.