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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94401, San Mateo, CA

ZIP Code 94401 Details

Zip Code:94401
City:San Mateo
State:CA [California]
Counties:SAN MATEO, CA
Multi County:No
City Alias(es):San Mateo
Area Code:650
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:9 ft
State FIPS:06
County FIPS:081
Intro Date:<2004-10

ZIP Code 94401 2010 Census Demographics

Current Population:34,986
2010 Population:34,429
Households per ZIP Code:12,795
Average House Value:$874,300
Avg. Income Per Household:$94,334
Persons Per Household:2.63
White Population:18,151
Black Population:1,542
Hispanic Population:14,042
Asian Population:6,344
American Indian Population:508
Hawaiian Population:1,685
Other Population:8,475
Male Population:17,254
Female Population:17,175
Median Age:36.10 years
Male Median Age:34.70 years
Female Median Age:37.90 years

ZIP Code 94401 Other Demographics

# Residential Mailboxes:13,303
# Business Mailboxes:1,322
Total Delivery Receptacles:15,330
Number of Businesses:1152
1st Quarter Payroll:$287,243,000
Annual Payroll:$1,210,297,000
# of Employees:13,925
Water Area:1.035 sq mi
Land Area:3.19 sq mi
113th Congressional District:14
113th Congressional Land Area:259.5 sq mi
Single Family Delivery Units:5,503
Multi Family Delivery Units:7,446
# Residential Mailboxes:13,303
# Business Mailboxes:1,322
Total Delivery Receptacles:15,330

ZIP Code 94401 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 4,710 4,695 -15
Retired Workers: 3,590 3,635 +45
Disabled Workers: 395 355 -40
Widow(er)s and Parents: 320 305 -15
Spouses: 215 220 +5
Children: 190 180 -10
65+: 3,980 4,020 +40
Monthly Benefits - All: $6,874,000 $7,044,000 +$170,000
Monthly Benefits - Retired Workers: $5,525,000 $5,754,000 +$229,000
Monthly Benefits - Widow(ers): $497,000 $483,000 ($14,000)

ZIP Code 94401 Statistical Areas

CBSA: 41860
CBSA Name: San Francisco-Oakland-Berkeley, CA
CBSA Type: Metro
CBSA Division: 41884
CBSA Division Name: San Francisco-San Mateo-Redwood City, CA
CBSA Population:4,335,391
CBSA Division Population:1,523,686
MSA: 7362
MSA Name: San Francisco-Oakland-San Jose, CA CMSA
PMSA: 7360
PMSA Name: San Francisco, CA PMSA
City State Key:Z22834
Preferred Last Line Key:Z22834
94309: Previous ZIP Code
Next ZIP Code: 94402


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 5/1/2022],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],