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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94403, San Mateo, CA

ZIP Code 94403 Details

Zip Code:94403
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:27 ft
State FIPS:06
County FIPS:081
Intro Date:<2004-10

ZIP Code 94403 2010 Census Demographics

Current Population:44,543
2010 Population:39,642
Households per ZIP Code:15,729
Average House Value:$1,375,300
Avg. Income Per Household:$139,631
Persons Per Household:2.49
White Population:25,955
Black Population:1,094
Hispanic Population:8,226
Asian Population:9,891
American Indian Population:455
Hawaiian Population:806
Other Population:3,887
Male Population:19,142
Female Population:20,500
Median Age:39.60 years
Male Median Age:38.30 years
Female Median Age:40.90 years

ZIP Code 94403 Other Demographics

# Residential Mailboxes:17,889
# Business Mailboxes:1,076
Total Delivery Receptacles:19,561
Number of Businesses:1150
1st Quarter Payroll:$787,974,000
Annual Payroll:$3,229,771,000
# of Employees:30,557
Water Area:0.167 sq mi
Land Area:5.644 sq mi
113th Congressional District:14
113th Congressional Land Area:259.5 sq mi
Single Family Delivery Units:9,803
Multi Family Delivery Units:5,968
# Residential Mailboxes:17,889
# Business Mailboxes:1,076
Total Delivery Receptacles:19,561

ZIP Code 94403 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 6,035 6,045 +10
Retired Workers: 4,810 4,820 +10
Disabled Workers: 385 385 0
Widow(er)s and Parents: 360 360 0
Spouses: 300 305 +5
Children: 180 175 -5
65+: 5,310 5,360 +50
Monthly Benefits - All: $9,416,000 $9,749,000 +$333,000
Monthly Benefits - Retired Workers: $7,855,000 $8,139,000 +$284,000
Monthly Benefits - Widow(ers): $551,000 $562,000 +$11,000

ZIP Code 94403 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
94402: Previous ZIP Code
Next ZIP Code: 94404


  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],