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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 98651, Underwood, WA

ZIP Code 98651 Details

Zip Code:98651
State:WA [Washington]
Multi County:No
City Alias(es):Underwood
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:2106 ft
State FIPS:53
County FIPS:059
Intro Date:<2004-10

ZIP Code 98651 2010 Census Demographics

Current Population:715
2010 Population:939
Households per ZIP Code:372
Average House Value:$497,000
Avg. Income Per Household:$107,188
Persons Per Household:2.52
White Population:860
Black Population:5
Hispanic Population:124
Asian Population:18
American Indian Population:18
Hawaiian Population:0
Other Population:57
Male Population:472
Female Population:467
Median Age:44.20 years
Male Median Age:44.10 years
Female Median Age:44.40 years

ZIP Code 98651 Other Demographics

# Residential Mailboxes:284
# Business Mailboxes:4
Total Delivery Receptacles:467
Number of Businesses:14
1st Quarter Payroll:$189,000
Annual Payroll:$929,000
# of Employees:34
Water Area:1.541 sq mi
Land Area:17.865 sq mi
113th Congressional District:03
113th Congressional Land Area:9114.01 sq mi
Single Family Delivery Units:283
Multi Family Delivery Units:1
# Residential Mailboxes:284
# Business Mailboxes:4
Total Delivery Receptacles:467

ZIP Code 98651 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 250 255 +5
Retired Workers: 195 200 +5
Disabled Workers: 20 20 0
Widow(er)s and Parents: 15 15 0
Spouses: 15 15 0
Children: 5 5 0
65+: 210 215 +5
Monthly Benefits - All: $354,000 $366,000 +$12,000
Monthly Benefits - Retired Workers: $299,000 $309,000 +$10,000
Monthly Benefits - Widow(ers): $14,000 $19,000 +$5,000

ZIP Code 98651 Statistical Areas

CBSA: 38900
CBSA Name: Portland-Vancouver-Hillsboro, OR-WA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:2,226,009
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:Z17648
Preferred Last Line Key:Z17648
98650: Previous ZIP Code
Next ZIP Code: 98660


  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],