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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

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 2010 Census Demographics

Current Population:15,684
2010 Population:13,095
Households per ZIP Code:6,749
Average House Value:$673,300
Avg. Income Per Household:$58,018
Persons Per Household:1.46
White Population:6,638
Black Population:2,633
Hispanic Population:949
Asian Population:3,404
American Indian Population:453
Hawaiian Population:93
Other Population:478
Male Population:8,042
Female Population:5,053
Median Age:40.80 years
Male Median Age:40.30 years
Female Median Age:42.20 years

ZIP Code 98104 Other Demographics

# Residential Mailboxes:10,743
# Business Mailboxes:2,216
Total Delivery Receptacles:14,291
Number of Businesses:2410
1st Quarter Payroll:$1,831,297,000
Annual Payroll:$6,660,210,000
# of Employees:67,534
Water Area:0.098 sq mi
Land Area:0.774 sq mi
113th Congressional District:07|09
113th Congressional Land Area:144.13|183.43 sq mi
Single Family Delivery Units:38
Multi Family Delivery Units:10,070
# Residential Mailboxes:10,743
# Business Mailboxes:2,216
Total Delivery Receptacles:14,291

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:3,439,809
CBSA Division Population:2,644,584
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: 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],