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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 99128, Farmington, WA

ZIP Code 99128 Details

Zip Code:99128
State:WA [Washington]
Counties:WHITMAN, WA
Multi County:Yes
City Alias(es):Farmington
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:2565 ft
State FIPS:53
County FIPS:075
Intro Date:<2004-10

ZIP Code 99128 2020 Census Demographics

Current Population:256
2020 Population:315
Households per ZIP Code:124
Average House Value:$267,400
Avg. Income Per Household:$58,750
Persons Per Household:2.54
White Population:291
Black Population:4
Hispanic Population:10
Asian Population:1
American Indian Population:4
Hawaiian Population:0
Other Population:1
Male Population:172
Female Population:143
Median Age:51.30 years
Male Median Age:53.50 years
Female Median Age:49.40 years

ZIP Code 99128 Other Demographics

# Residential Mailboxes:101
# Business Mailboxes:2
Total Delivery Receptacles:183
Number of Businesses:5
1st Quarter Payroll:$170,000
Annual Payroll:$668,000
# of Employees:15
Water Area:0.001 sq mi
Land Area:59.494 sq mi
118th Congressional District:01|05
118th Congressional Land Area:39418.02|15473.13 sq mi
Single Family Delivery Units:101
Multi Family Delivery Units:0
# Residential Mailboxes:101
# Business Mailboxes:2
Total Delivery Receptacles:183

ZIP Code 99128 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 85 95 +10
Retired Workers: 60 65 +5
Disabled Workers: 10 10 0
Widow(er)s and Parents: 5 5 0
Spouses: 5 5 0
Children: 5 10 +5
65+: 70 75 +5
Monthly Benefits - All: $118,000 $132,000 +$14,000
Monthly Benefits - Retired Workers: $89,000 $100,000 +$11,000
Monthly Benefits - Widow(ers): $7,000 $6,000 ($1,000)

ZIP Code 99128 Statistical Areas

CBSA: 39420
CBSA Name: Pullman, WA
CBSA Type: Micro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:Z16785
Preferred Last Line Key:Z16785
99126: Previous ZIP Code
Next ZIP Code: 99129


  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],