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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94598, Walnut Creek, CA

ZIP Code 94598 Details

Zip Code:94598
City:Walnut Creek
State:CA [California]
Multi County:No
City Alias(es):Walnut Creek
Area Code:341 / 510 / 707 / 925
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:329 ft
State FIPS:06
County FIPS:013
Intro Date:<2004-10

ZIP Code 94598 2010 Census Demographics

Current Population:26,334
2010 Population:25,818
Households per ZIP Code:10,390
Average House Value:$989,200
Avg. Income Per Household:$156,280
Persons Per Household:2.46
White Population:20,993
Black Population:447
Hispanic Population:1,698
Asian Population:4,688
American Indian Population:225
Hawaiian Population:122
Other Population:574
Male Population:12,335
Female Population:13,483
Median Age:47.20 years
Male Median Age:46.10 years
Female Median Age:48.10 years

ZIP Code 94598 Other Demographics

# Residential Mailboxes:10,705
# Business Mailboxes:866
Total Delivery Receptacles:13,160
Number of Businesses:915
1st Quarter Payroll:$356,075,000
Annual Payroll:$1,500,863,000
# of Employees:16,257
Water Area:0.012 sq mi
Land Area:15.22 sq mi
113th Congressional District:11
113th Congressional Land Area:493.61 sq mi
Single Family Delivery Units:8,340
Multi Family Delivery Units:1,393
# Residential Mailboxes:10,705
# Business Mailboxes:866
Total Delivery Receptacles:13,160

ZIP Code 94598 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 5,660 5,745 +85
Retired Workers: 4,535 4,610 +75
Disabled Workers: 225 205 -20
Widow(er)s and Parents: 335 340 +5
Spouses: 415 430 +15
Children: 150 160 +10
65+: 5,165 5,245 +80
Monthly Benefits - All: $9,552,000 $10,025,000 +$473,000
Monthly Benefits - Retired Workers: $8,087,000 $8,539,000 +$452,000
Monthly Benefits - Widow(ers): $536,000 $554,000 +$18,000

ZIP Code 94598 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:Z23779
Preferred Last Line Key:Z23779
94597: Previous ZIP Code
Next ZIP Code: 94599


  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],