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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 98010, Black Diamond, WA

ZIP Code 98010 Details

Zip Code:98010
City:Black Diamond
State:WA [Washington]
Counties:KING, WA
Multi County:No
City Alias(es):Black Diamond
Maple Valley
City Alias(es) To Avoid Using:Morganville
Area Code:360 / 564
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:787 ft
State FIPS:53
County FIPS:033
Intro Date:<2004-10

ZIP Code 98010 2020 Census Demographics

Current Population:8,580
2020 Population:5,699
Households per ZIP Code:2,067
Average House Value:$657,800
Avg. Income Per Household:$132,540
Persons Per Household:2.76
White Population:4,546
Black Population:50
Hispanic Population:568
Asian Population:160
American Indian Population:46
Hawaiian Population:22
Other Population:295
Male Population:2,820
Female Population:2,879
Median Age:40.50 years
Male Median Age:40.50 years
Female Median Age:40.50 years

ZIP Code 98010 Other Demographics

# Residential Mailboxes:3,109
# Business Mailboxes:78
Total Delivery Receptacles:3,608
Number of Businesses:146
1st Quarter Payroll:$12,397,000
Annual Payroll:$57,886,000
# of Employees:920
Water Area:0.999 sq mi
Land Area:14.915 sq mi
118th Congressional District:08
118th Congressional Land Area:7359.7 sq mi
Single Family Delivery Units:1,333
Multi Family Delivery Units:172
# Residential Mailboxes:3,109
# Business Mailboxes:78
Total Delivery Receptacles:3,608

ZIP Code 98010 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 910 950 +40
Retired Workers: 700 735 +35
Disabled Workers: 105 105 0
Widow(er)s and Parents: 45 45 0
Spouses: 30 35 +5
Children: 30 30 0
65+: 715 770 +55
Monthly Benefits - All: $1,412,000 $1,544,000 +$132,000
Monthly Benefits - Retired Workers: $1,137,000 $1,250,000 +$113,000
Monthly Benefits - Widow(ers): $66,000 $73,000 +$7,000

ZIP Code 98010 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:Z16507
Preferred Last Line Key:Z16507
98009: Previous ZIP Code
Next ZIP Code: 98011


  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],