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 99336, Kennewick, WA

ZIP Code 99336 Details

Zip Code:99336
State:WA [Washington]
Counties:BENTON, WA
Multi County:No
City Alias(es):Kennewick
City Alias(es) To Avoid Using:Finley
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:491 ft
State FIPS:53
County FIPS:005
Intro Date:<2004-10

ZIP Code 99336 2010 Census Demographics

Current Population:51,134
2010 Population:48,753
Households per ZIP Code:18,372
Average House Value:$202,800
Avg. Income Per Household:$52,158
Persons Per Household:2.60
White Population:38,554
Black Population:1,499
Hispanic Population:14,727
Asian Population:1,591
American Indian Population:944
Hawaiian Population:196
Other Population:8,516
Male Population:24,447
Female Population:24,306
Median Age:30.30 years
Male Median Age:29.70 years
Female Median Age:31.00 years

ZIP Code 99336 Other Demographics

# Residential Mailboxes:19,667
# Business Mailboxes:2,179
Total Delivery Receptacles:22,098
Number of Businesses:1941
1st Quarter Payroll:$273,812,000
Annual Payroll:$1,188,116,000
# of Employees:27,206
Water Area:1.356 sq mi
Land Area:13.335 sq mi
113th Congressional District:04
113th Congressional Land Area:19250.22 sq mi
Single Family Delivery Units:8,387
Multi Family Delivery Units:4,387
# Residential Mailboxes:19,667
# Business Mailboxes:2,179
Total Delivery Receptacles:22,098

ZIP Code 99336 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 8,390 8,495 +105
Retired Workers: 5,395 5,560 +165
Disabled Workers: 1,610 1,550 -60
Widow(er)s and Parents: 505 500 -5
Spouses: 270 280 +10
Children: 610 605 -5
65+: 5,860 6,035 +175
Monthly Benefits - All: $11,324,000 $11,746,000 +$422,000
Monthly Benefits - Retired Workers: $8,111,000 $8,551,000 +$440,000
Monthly Benefits - Widow(ers): $723,000 $729,000 +$6,000

ZIP Code 99336 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
99335: Previous ZIP Code
Next ZIP Code: 99337


  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],