ZIP code 94401
Where is ZIP code 94401?
San Mateo, California
San Mateo County · Standard ZIP code
ZIP code 94401 belongs to San Mateo, California in San Mateo County. 94401 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 650. About 35,295 people live in the 94401 area, where the median household income is $122,227. The closest ZIP codes are 94402 (San Mateo, 1.6 mi south), 94011 (Burlingame, 2.5 mi west) and 94010 (Burlingame, 2.5 mi west).
| ZIP code | 94401 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Mateo |
| State | California (CA) |
| County | San Mateo County |
| Time zone | Pacific Time · now |
| Area code | 650 |
| Coordinates | 37.5735, -122.3225 map |
| 3-digit prefix | 944 |
Population and income in 94401
| Population | 35,295 · higher than 73% of California ZIP codes |
|---|---|
| People per square mile | 11,345 · higher than 93% of California ZIP codes |
| Median age | 35.9 years · lower than 72% of California ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $122,227 · higher than 74% of California ZIP codes |
| Income per person | $63,426 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 46% of adults 25+ |
| Median home value | $1,184,500 · higher than 84% of California ZIP codes |
| Median rent | $2,762 a month |
| Housing units | 13,818 |
| Households | 13,026 (2.64 people on average) |
| Owners / renters | 43% / 57% |
| Land area | 3.11 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94401. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94401
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94402 | San Mateo, CA | 1.6 mi S | Standard |
| 94011 | Burlingame, CA | 2.5 mi W | PO Box only |
| 94010 | Burlingame, CA | 2.5 mi W | Standard |
| 94403 | San Mateo, CA | 2.7 mi SE | Standard |
| 94497 | San Mateo, CA | 2.7 mi S | Unique |
| 94404 | San Mateo, CA | 3.2 mi SE | Standard |
| 94002 | Belmont, CA | 4.2 mi SE | Standard |
| 94128 | San Francisco, CA | 4.5 mi NW | Standard |
| 94030 | Millbrae, CA | 4.7 mi NW | Standard |
| 94065 | Redwood City, CA | 4.9 mi SE | Standard |
| 94070 | San Carlos, CA | 6.1 mi SE | Standard |
| 94066 | San Bruno, CA | 6.8 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94401 or measure the distance to another ZIP code.
How to address mail to 94401
123 MAIN ST
SAN MATEO CA 94401
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94401-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in San Mateo, CA
All San Mateo ZIP codes with population and income →
Questions
- What city is ZIP code 94401?
- 94401 is a San Mateo, California ZIP code.
- What county is 94401 in?
- ZIP code 94401 is in San Mateo County, California.
- What time zone is ZIP code 94401 in?
- 94401 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94401?
- Phone numbers in ZIP code 94401 use area code 650.
- What is the population of ZIP code 94401?
- About 35,295 people live in ZIP code 94401, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94401?
- The median household income in 94401 is $122,227 a year, higher than 74% of California ZIP codes.
- What ZIP codes are near 94401?
- The nearest ZIP codes to 94401 are 94402 (San Mateo, 1.6 miles), 94011 (Burlingame, 2.5 miles), 94010 (Burlingame, 2.5 miles) and 94403 (San Mateo, 2.7 miles).