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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 99111, Colfax, WA

ZIP Code 99111 Details

Zip Code:99111
State:WA [Washington]
Counties:WHITMAN, WA
Multi County:No
City Alias(es):Colfax
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:2295 ft
State FIPS:53
County FIPS:075
Intro Date:<2004-10

ZIP Code 99111 2010 Census Demographics

Current Population:4,058
2010 Population:4,047
Households per ZIP Code:1,746
Average House Value:$173,000
Avg. Income Per Household:$55,696
Persons Per Household:2.27
White Population:3,936
Black Population:37
Hispanic Population:112
Asian Population:78
American Indian Population:62
Hawaiian Population:9
Other Population:18
Male Population:2,037
Female Population:2,010
Median Age:43.60 years
Male Median Age:41.80 years
Female Median Age:45.40 years

ZIP Code 99111 Other Demographics

# Residential Mailboxes:1,788
# Business Mailboxes:138
Total Delivery Receptacles:2,245
Number of Businesses:130
1st Quarter Payroll:$15,474,000
Annual Payroll:$64,830,000
# of Employees:1,319
Water Area:2.767 sq mi
Land Area:288.518 sq mi
113th Congressional District:05
113th Congressional Land Area:15473.13 sq mi
Single Family Delivery Units:1,387
Multi Family Delivery Units:165
# Residential Mailboxes:1,788
# Business Mailboxes:138
Total Delivery Receptacles:2,245

ZIP Code 99111 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,035 1,020 -15
Retired Workers: 725 735 +10
Disabled Workers: 145 125 -20
Widow(er)s and Parents: 75 70 -5
Spouses: 30 35 +5
Children: 60 55 -5
65+: 800 810 +10
Monthly Benefits - All: $1,418,000 $1,450,000 +$32,000
Monthly Benefits - Retired Workers: $1,076,000 $1,128,000 +$52,000
Monthly Benefits - Widow(ers): $116,000 $106,000 ($10,000)

ZIP Code 99111 Statistical Areas

CBSA: 39420
CBSA Name: Pullman, WA
CBSA Type: Micro
CBSA Division: 
CBSA Division Name: 
CBSA Population:44,776
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:Z16625
Preferred Last Line Key:Z16625
99110: Previous ZIP Code
Next ZIP Code: 99113


  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],