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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94404, San Mateo, CA

ZIP Code 94404 Details

Zip Code:94404
City:San Mateo
State:CA [California]
Counties:SAN MATEO, CA
Multi County:No
City Alias(es):San Mateo
Foster City
Area Code:650
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:1 ft
State FIPS:06
County FIPS:081
Intro Date:<2004-10

ZIP Code 94404 2010 Census Demographics

Current Population:37,455
2010 Population:33,749
Households per ZIP Code:13,728
Average House Value:$1,334,200
Avg. Income Per Household:$155,789
Persons Per Household:2.45
White Population:17,246
Black Population:848
Hispanic Population:2,335
Asian Population:15,935
American Indian Population:220
Hawaiian Population:354
Other Population:994
Male Population:16,234
Female Population:17,515
Median Age:39.50 years
Male Median Age:38.50 years
Female Median Age:40.50 years

ZIP Code 94404 Other Demographics

# Residential Mailboxes:15,288
# Business Mailboxes:625
Total Delivery Receptacles:18,652
Number of Businesses:915
1st Quarter Payroll:$1,412,508,000
Annual Payroll:$5,381,167,000
# of Employees:26,849
Water Area:0.564 sq mi
Land Area:4.297 sq mi
113th Congressional District:14
113th Congressional Land Area:259.5 sq mi
Single Family Delivery Units:6,925
Multi Family Delivery Units:5,343
# Residential Mailboxes:15,288
# Business Mailboxes:625
Total Delivery Receptacles:18,652

ZIP Code 94404 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 5,230 5,355 +125
Retired Workers: 4,345 4,470 +125
Disabled Workers: 205 200 -5
Widow(er)s and Parents: 255 250 -5
Spouses: 285 300 +15
Children: 140 135 -5
65+: 4,760 4,905 +145
Monthly Benefits - All: $8,806,000 $9,287,000 +$481,000
Monthly Benefits - Retired Workers: $7,646,000 $8,121,000 +$475,000
Monthly Benefits - Widow(ers): $410,000 $403,000 ($7,000)

ZIP Code 94404 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
94403: Previous ZIP Code
Next ZIP Code: 94497


  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],