Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

Zip Code 94509, Antioch, CA

ZIP Code 94509 Details

Zip Code:94509
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:121 ft
State FIPS:06
County FIPS:013
Intro Date:<2004-10

ZIP Code 94509 2010 Census Demographics

Current Population:68,188
2010 Population:62,439
Households per ZIP Code:20,740
Average House Value:$369,200
Avg. Income Per Household:$64,502
Persons Per Household:2.98
White Population:38,088
Black Population:10,179
Hispanic Population:22,316
Asian Population:5,185
American Indian Population:1,745
Hawaiian Population:866
Other Population:11,496
Male Population:30,455
Female Population:31,984
Median Age:33.80 years
Male Median Age:32.50 years
Female Median Age:35.00 years

ZIP Code 94509 Other Demographics

# Residential Mailboxes:22,882
# Business Mailboxes:1,352
Total Delivery Receptacles:24,674
Number of Businesses:920
1st Quarter Payroll:$148,178,000
Annual Payroll:$616,916,000
# of Employees:12,597
Water Area:1.452 sq mi
Land Area:16.372 sq mi
113th Congressional District:09|11
113th Congressional Land Area:1245.28|493.61 sq mi
Single Family Delivery Units:17,099
Multi Family Delivery Units:4,641
# Residential Mailboxes:22,882
# Business Mailboxes:1,352
Total Delivery Receptacles:24,674

ZIP Code 94509 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 11,085 11,085 0
Retired Workers: 6,985 7,080 +95
Disabled Workers: 2,095 2,035 -60
Widow(er)s and Parents: 635 645 +10
Spouses: 410 405 -5
Children: 960 920 -40
65+: 7,465 7,640 +175
Monthly Benefits - All: $14,763,000 $15,051,000 +$288,000
Monthly Benefits - Retired Workers: $10,180,000 $10,542,000 +$362,000
Monthly Benefits - Widow(ers): $881,000 $889,000 +$8,000

ZIP Code 94509 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
94508: Previous ZIP Code
Next ZIP Code: 94510


  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],