Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

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 2010 Census Demographics

Current Population:33,872
2010 Population:29,845
Households per ZIP Code:10,451
Average House Value:$246,400
Avg. Income Per Household:$77,854
Persons Per Household:2.84
White Population:26,209
Black Population:451
Hispanic Population:4,779
Asian Population:669
American Indian Population:569
Hawaiian Population:111
Other Population:2,819
Male Population:14,991
Female Population:14,854
Median Age:37.80 years
Male Median Age:36.70 years
Female Median Age:38.80 years

ZIP Code 99337 Other Demographics

# Residential Mailboxes:11,927
# Business Mailboxes:147
Total Delivery Receptacles:18,922
Number of Businesses:394
1st Quarter Payroll:$29,112,000
Annual Payroll:$127,729,000
# of Employees:3,003
Water Area:14.619 sq mi
Land Area:157.149 sq mi
113th Congressional District:04
113th Congressional Land Area:19250.22 sq mi
Single Family Delivery Units:7,192
Multi Family Delivery Units:125
# Residential Mailboxes:11,927
# Business Mailboxes:147
Total Delivery Receptacles:18,922

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:253,340
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: 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],