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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 99337, Kennewick, WA

ZIP Code 99337 Details

Zip Code:99337
State:WA [Washington]
Counties:BENTON, WA
Multi County:No
City Alias(es):Kennewick
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:1639 ft
State FIPS:53
County FIPS:005
Intro Date:<2004-10

ZIP Code 99337 2020 Census Demographics

Current Population:34,853
2020 Population:33,458
Households per ZIP Code:11,472
Average House Value:$276,700
Avg. Income Per Household:$81,066
Persons Per Household:2.91
White Population:23,616
Black Population:315
Hispanic Population:8,759
Asian Population:547
American Indian Population:337
Hawaiian Population:78
Other Population:4,166
Male Population:16,802
Female Population:16,656
Median Age:37.40 years
Male Median Age:36.70 years
Female Median Age:38.10 years

ZIP Code 99337 Other Demographics

# Residential Mailboxes:11,977
# Business Mailboxes:149
Total Delivery Receptacles:19,019
Number of Businesses:450
1st Quarter Payroll:$34,563,000
Annual Payroll:$156,103,000
# of Employees:3,591
Water Area:15.693 sq mi
Land Area:165.94 sq mi
118th Congressional District:04
118th Congressional Land Area:19250.22 sq mi
Single Family Delivery Units:7,222
Multi Family Delivery Units:125
# Residential Mailboxes:11,977
# Business Mailboxes:149
Total Delivery Receptacles:19,019

ZIP Code 99337 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 6,270 6,420 +150
Retired Workers: 4,445 4,620 +175
Disabled Workers: 830 820 -10
Widow(er)s and Parents: 385 365 -20
Spouses: 260 275 +15
Children: 350 340 -10
65+: 4,780 4,995 +215
Monthly Benefits - All: $9,290,000 $9,778,000 +$488,000
Monthly Benefits - Retired Workers: $7,162,000 $7,639,000 +$477,000
Monthly Benefits - Widow(ers): $578,000 $566,000 ($12,000)

ZIP Code 99337 Statistical Areas

CBSA: 28420
CBSA Name: Kennewick-Richland, WA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA: 6740
MSA Name: Richland-Kennewick-Pasco, WA MSA
PMSA Name: 
City State Key:Z16967
Preferred Last Line Key:Z16967
99336: Previous ZIP Code
Next ZIP Code: 99338


  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],