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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94521, Concord, CA

ZIP Code 94521 Details

Zip Code:94521
State:CA [California]
Multi County:No
City Alias(es):Concord
Area Code:925
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:417 ft
State FIPS:06
County FIPS:013
Intro Date:<2004-10

ZIP Code 94521 2010 Census Demographics

Current Population:42,493
2010 Population:41,249
Households per ZIP Code:15,574
Average House Value:$620,400
Avg. Income Per Household:$104,141
Persons Per Household:2.64
White Population:31,545
Black Population:1,597
Hispanic Population:7,239
Asian Population:6,985
American Indian Population:726
Hawaiian Population:365
Other Population:2,915
Male Population:19,781
Female Population:21,468
Median Age:41.10 years
Male Median Age:39.90 years
Female Median Age:42.30 years

ZIP Code 94521 Other Demographics

# Residential Mailboxes:16,096
# Business Mailboxes:419
Total Delivery Receptacles:17,244
Number of Businesses:569
1st Quarter Payroll:$50,849,000
Annual Payroll:$215,775,000
# of Employees:5,824
Water Area:0 sq mi
Land Area:12.974 sq mi
113th Congressional District:11
113th Congressional Land Area:493.61 sq mi
Single Family Delivery Units:11,170
Multi Family Delivery Units:4,294
# Residential Mailboxes:16,096
# Business Mailboxes:419
Total Delivery Receptacles:17,244

ZIP Code 94521 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 7,715 7,755 +40
Retired Workers: 5,825 5,900 +75
Disabled Workers: 730 700 -30
Widow(er)s and Parents: 440 430 -10
Spouses: 370 385 +15
Children: 350 340 -10
65+: 6,360 6,465 +105
Monthly Benefits - All: $11,856,000 $12,257,000 +$401,000
Monthly Benefits - Retired Workers: $9,493,000 $9,895,000 +$402,000
Monthly Benefits - Widow(ers): $639,000 $647,000 +$8,000

ZIP Code 94521 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:Z20691
Preferred Last Line Key:Z20691
94520: Previous ZIP Code
Next ZIP Code: 94522


  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],