99338   Zip Code Kennewick Benton WA United States

City Kennewick
County Benton
State Washington
Latitude 46.17362
Longitude -119.27403
Population 20,633
Density 582.12 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $111,042
Median individual: $51,763

Race

Mode: 74.1% White

Gender

 50.8% female 

Rent

  $1486 / month  

Median house value: $547,770.0

Age

Median: 37.6 years old

Education

With at least college degree: 39.2%
With STEM degree: 48.7%

Marital Status

 60.9% married 

Never married: 27.3%

Labor Force Participation

 64.4% working 

Unemployed: 4.4%

Average Family Size

 3.29 people 

Commute Time

 21.8 minutes 

Health Care

 6.9% uninsured 

Poverty

 8.5%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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