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: May 1, 2023

Zip Code 94505, Discovery Bay, CA

ZIP Code 94505 Details

Zip Code:94505
City:Discovery Bay
State:CA [California]
Multi County:Yes
City Alias(es):Discovery Bay
Area Code:925
City Type:N [Non Postal Community Name]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:7 ft
State FIPS:06
County FIPS:013
Intro Date:2007-06

ZIP Code 94505 2020 Census Demographics

Current Population:16,495
2020 Population:15,445
Households per ZIP Code:5,573
Average House Value:$674,800
Avg. Income Per Household:$138,339
Persons Per Household:2.77
White Population:10,514
Black Population:741
Hispanic Population:2,881
Asian Population:906
American Indian Population:106
Hawaiian Population:82
Other Population:807
Male Population:7,758
Female Population:7,687
Median Age:43.90 years
Male Median Age:43.20 years
Female Median Age:44.50 years

ZIP Code 94505 Other Demographics

# Residential Mailboxes:5,955
# Business Mailboxes:78
Total Delivery Receptacles:9,280
Number of Businesses:177
1st Quarter Payroll:$7,112,000
Annual Payroll:$35,053,000
# of Employees:703
Water Area:5.794 sq mi
Land Area:16.672 sq mi
118th Congressional District:09|14
118th Congressional Land Area:1245.28|259.5 sq mi
Single Family Delivery Units:5,743
Multi Family Delivery Units:6
# Residential Mailboxes:5,955
# Business Mailboxes:78
Total Delivery Receptacles:9,280

ZIP Code 94505 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 2,685 2,790 +105
Retired Workers: 2,120 2,185 +65
Disabled Workers: 245 255 +10
Widow(er)s and Parents: 115 125 +10
Spouses: 80 90 +10
Children: 125 135 +10
65+: 2,155 2,240 +85
Monthly Benefits - All: $4,393,000 $4,680,000 +$287,000
Monthly Benefits - Retired Workers: $3,617,000 $3,831,000 +$214,000
Monthly Benefits - Widow(ers): $192,000 $219,000 +$27,000

ZIP Code 94505 Statistical Areas

CBSA Name: 
CBSA Type: 
CBSA Division: 
CBSA Division Name: Oakland-Berkeley-Livermore, CA
CBSA Population:0
CBSA Division Population:0
MSA: 7362
MSA Name: San Francisco-Oakland-San Jose, CA CMSA
PMSA: 5775
PMSA Name: Oakland, CA PMSA
City State Key:Z20894
Preferred Last Line Key:Z20894
94503: Previous ZIP Code
Next ZIP Code: 94506


  1. U.S. Postal Service [Last Updated: 5/1/2023],
  2. Internal Data Creation [Last Updated: 5/1/2023],
  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: 5/1/2023],
  6. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],