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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 98038, Maple Valley, WA

ZIP Code 98038 Details

Zip Code:98038
City:Maple Valley
State:WA [Washington]
Counties:KING, WA
Multi County:No
City Alias(es):Maple Valley
City Alias(es) To Avoid Using:Four Corners
Wilderness Village
Area Code:425
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:628 ft
State FIPS:53
County FIPS:033
Intro Date:<2004-10

ZIP Code 98038 2010 Census Demographics

Current Population:36,954
2010 Population:31,171
Households per ZIP Code:10,854
Average House Value:$476,000
Avg. Income Per Household:$114,804
Persons Per Household:2.87
White Population:28,541
Black Population:898
Hispanic Population:1,628
Asian Population:1,928
American Indian Population:513
Hawaiian Population:254
Other Population:643
Male Population:15,574
Female Population:15,597
Median Age:36.80 years
Male Median Age:36.40 years
Female Median Age:37.10 years

ZIP Code 98038 Other Demographics

# Residential Mailboxes:12,876
# Business Mailboxes:374
Total Delivery Receptacles:19,623
Number of Businesses:693
1st Quarter Payroll:$54,418,000
Annual Payroll:$247,713,000
# of Employees:5,410
Water Area:0.39 sq mi
Land Area:66.483 sq mi
113th Congressional District:08
113th Congressional Land Area:7359.7 sq mi
Single Family Delivery Units:5,503
Multi Family Delivery Units:411
# Residential Mailboxes:12,876
# Business Mailboxes:374
Total Delivery Receptacles:19,623

ZIP Code 98038 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 4,460 4,615 +155
Retired Workers: 3,365 3,500 +135
Disabled Workers: 420 410 -10
Widow(er)s and Parents: 265 270 +5
Spouses: 170 190 +20
Children: 240 245 +5
65+: 3,575 3,745 +170
Monthly Benefits - All: $7,066,000 $7,504,000 +$438,000
Monthly Benefits - Retired Workers: $5,635,000 $6,018,000 +$383,000
Monthly Benefits - Widow(ers): $424,000 $445,000 +$21,000

ZIP Code 98038 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:Z17091
Preferred Last Line Key:Z17091
98037: Previous ZIP Code
Next ZIP Code: 98039


  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],