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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 98104, Seattle, WA

ZIP Code 98104 Details

Zip Code:98104
State:WA [Washington]
Counties:KING, WA
Multi County:No
City Alias(es):Seattle
City Alias(es) To Avoid Using:International
Pioneer Square
Area Code:206 / 253 / 360 / 425 / 564
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:105 ft
State FIPS:53
County FIPS:033
Intro Date:<2004-10

ZIP Code 98104 2020 Census Demographics

Current Population:18,823
2020 Population:16,157
Households per ZIP Code:9,223
Average House Value:$610,900
Avg. Income Per Household:$60,955
Persons Per Household:1.47
White Population:7,512
Black Population:2,258
Hispanic Population:1,397
Asian Population:4,217
American Indian Population:209
Hawaiian Population:59
Other Population:483
Male Population:9,589
Female Population:6,568
Median Age:37.70 years
Male Median Age:37.90 years
Female Median Age:37.40 years

ZIP Code 98104 Other Demographics

# Residential Mailboxes:12,805
# Business Mailboxes:2,200
Total Delivery Receptacles:16,378
Number of Businesses:2256
1st Quarter Payroll:$2,364,219,000
Annual Payroll:$9,129,838,000
# of Employees:65,254
Water Area:0.184 sq mi
Land Area:0.945 sq mi
118th Congressional District:07
118th Congressional Land Area:144.13 sq mi
Single Family Delivery Units:43
Multi Family Delivery Units:12,128
# Residential Mailboxes:12,805
# Business Mailboxes:2,200
Total Delivery Receptacles:16,378

ZIP Code 98104 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 2,950 2,930 -20
Retired Workers: 1,660 1,695 +35
Disabled Workers: 935 860 -75
Widow(er)s and Parents: 105 95 -10
Spouses: 120 130 +10
Children: 130 150 +20
65+: 1,800 1,840 +40
Monthly Benefits - All: $3,350,000 $3,414,000 +$64,000
Monthly Benefits - Retired Workers: $2,136,000 $2,233,000 +$97,000
Monthly Benefits - Widow(ers): $144,000 $139,000 ($5,000)

ZIP Code 98104 Statistical Areas

CBSA: 42660
CBSA Name: Seattle-Tacoma-Bellevue, WA
CBSA Type: Metro
CBSA Division: 42644
CBSA Division Name: Seattle-Bellevue-Kent, WA
CBSA Population:0
CBSA Division Population:0
MSA: 7602
MSA Name: Seattle-Tacoma-Bremerton, WA CMSA
PMSA: 7600
PMSA Name: Seattle-Bellevue-Everett, WA PMSA
City State Key:Z17429
Preferred Last Line Key:Z17429
98103: Previous ZIP Code
Next ZIP Code: 98105


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