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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94531, Antioch, CA

ZIP Code 94531 Details

Zip Code:94531
State:CA [California]
Multi County:No
City Alias(es):Antioch
Area Code:925
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:276 ft
State FIPS:06
County FIPS:013
Intro Date:<2004-10

ZIP Code 94531 2010 Census Demographics

Current Population:46,909
2010 Population:40,290
Households per ZIP Code:11,639
Average House Value:$470,900
Avg. Income Per Household:$104,275
Persons Per Household:3.45
White Population:18,487
Black Population:10,165
Hispanic Population:10,249
Asian Population:8,527
American Indian Population:786
Hawaiian Population:665
Other Population:5,462
Male Population:19,547
Female Population:20,743
Median Age:33.70 years
Male Median Age:32.20 years
Female Median Age:34.90 years

ZIP Code 94531 Other Demographics

# Residential Mailboxes:13,597
# Business Mailboxes:332
Total Delivery Receptacles:15,243
Number of Businesses:477
1st Quarter Payroll:$98,968,000
Annual Payroll:$402,270,000
# of Employees:6,883
Water Area:0 sq mi
Land Area:10.945 sq mi
113th Congressional District:09
113th Congressional Land Area:1245.28 sq mi
Single Family Delivery Units:11,520
Multi Family Delivery Units:939
# Residential Mailboxes:13,597
# Business Mailboxes:332
Total Delivery Receptacles:15,243

ZIP Code 94531 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 6,160 6,340 +180
Retired Workers: 3,905 4,145 +240
Disabled Workers: 1,100 1,080 -20
Widow(er)s and Parents: 285 285 0
Spouses: 225 235 +10
Children: 645 595 -50
65+: 4,050 4,305 +255
Monthly Benefits - All: $8,369,000 $8,887,000 +$518,000
Monthly Benefits - Retired Workers: $5,844,000 $6,349,000 +$505,000
Monthly Benefits - Widow(ers): $380,000 $396,000 +$16,000

ZIP Code 94531 Statistical Areas

CBSA: 41860
CBSA Name: San Francisco-Oakland-Berkeley, CA
CBSA Type: Metro
CBSA Division: 36084
CBSA Division Name: Oakland-Berkeley-Livermore, CA
CBSA Population:4,335,391
CBSA Division Population:2,559,296
MSA: 7362
MSA Name: San Francisco-Oakland-San Jose, CA CMSA
PMSA: 5775
PMSA Name: Oakland, CA PMSA
City State Key:Z20110
Preferred Last Line Key:Z20110
94530: Previous ZIP Code
Next ZIP Code: 94533


  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],