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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 98178, Seattle, WA

ZIP Code 98178 Details

Zip Code:98178
State:WA [Washington]
Counties:KING, WA
Multi County:No
City Alias(es):Seattle
City Alias(es) To Avoid Using:Bryn Mawr
Area Code:425 / 206 / 253
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:335 ft
State FIPS:53
County FIPS:033
Intro Date:<2004-10

ZIP Code 98178 2020 Census Demographics

Current Population:26,398
2020 Population:26,122
Households per ZIP Code:9,360
Average House Value:$494,000
Avg. Income Per Household:$87,788
Persons Per Household:2.78
White Population:7,253
Black Population:6,570
Hispanic Population:2,523
Asian Population:7,849
American Indian Population:291
Hawaiian Population:225
Other Population:1,299
Male Population:13,170
Female Population:12,952
Median Age:39.10 years
Male Median Age:38.10 years
Female Median Age:40.00 years

ZIP Code 98178 Other Demographics

# Residential Mailboxes:9,496
# Business Mailboxes:136
Total Delivery Receptacles:11,598
Number of Businesses:290
1st Quarter Payroll:$24,864,000
Annual Payroll:$112,979,000
# of Employees:1,867
Water Area:1.038 sq mi
Land Area:4.901 sq mi
118th Congressional District:09
118th Congressional Land Area:183.43 sq mi
Single Family Delivery Units:6,750
Multi Family Delivery Units:1,888
# Residential Mailboxes:9,496
# Business Mailboxes:136
Total Delivery Receptacles:11,598

ZIP Code 98178 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 4,200 4,185 -15
Retired Workers: 3,105 3,125 +20
Disabled Workers: 520 510 -10
Widow(er)s and Parents: 190 175 -15
Spouses: 140 140 0
Children: 245 235 -10
65+: 3,275 3,290 +15
Monthly Benefits - All: $5,865,000 $5,995,000 +$130,000
Monthly Benefits - Retired Workers: $4,707,000 $4,829,000 +$122,000
Monthly Benefits - Widow(ers): $254,000 $247,000 ($7,000)

ZIP Code 98178 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
98177: Previous ZIP Code
Next ZIP Code: 98181


  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],