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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

Zip Code 94121, San Francisco, CA

ZIP Code 94121 Details

Zip Code:94121
City:San Francisco
State:CA [California]
Multi County:No
City Alias(es):San Francisco
Area Code:415
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:264 ft
State FIPS:06
County FIPS:075
Intro Date:<2004-10

ZIP Code 94121 2010 Census Demographics

Current Population:43,251
2010 Population:41,203
Households per ZIP Code:17,295
Average House Value:$1,241,600
Avg. Income Per Household:$103,151
Persons Per Household:2.36
White Population:20,502
Black Population:1,014
Hispanic Population:2,518
Asian Population:20,120
American Indian Population:366
Hawaiian Population:132
Other Population:1,065
Male Population:19,801
Female Population:21,402
Median Age:42.40 years
Male Median Age:41.20 years
Female Median Age:43.60 years

ZIP Code 94121 Other Demographics

# Residential Mailboxes:18,327
# Business Mailboxes:638
Total Delivery Receptacles:19,528
Number of Businesses:794
1st Quarter Payroll:$52,971,000
Annual Payroll:$236,275,000
# of Employees:5,051
Water Area:0.024 sq mi
Land Area:3.081 sq mi
113th Congressional District:12
113th Congressional Land Area:38.97 sq mi
Single Family Delivery Units:10,222
Multi Family Delivery Units:8,016
# Residential Mailboxes:18,327
# Business Mailboxes:638
Total Delivery Receptacles:19,528

ZIP Code 94121 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 7,315 7,420 +105
Retired Workers: 5,875 6,020 +145
Disabled Workers: 420 385 -35
Widow(er)s and Parents: 405 390 -15
Spouses: 415 435 +20
Children: 200 190 -10
65+: 6,445 6,635 +190
Monthly Benefits - All: $9,924,000 $10,433,000 +$509,000
Monthly Benefits - Retired Workers: $8,395,000 $8,930,000 +$535,000
Monthly Benefits - Widow(ers): $539,000 $525,000 ($14,000)

ZIP Code 94121 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:Z22802
Preferred Last Line Key:Z22802
94120: Previous ZIP Code
Next ZIP Code: 94122


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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: 10/1/2021],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],