Kennewick, WA ZIP codes

Kennewick, Washington has 3 ZIP codes. They are in Benton County.

Population in these ZIPs: 104,655
Avg. median income: $83,600population-weighted
Typical home value: $424,200population-weighted
Metro area: Kennewick-Richland, WA

Loading map…

Click anywhere on the map to see which ZIP code it's in.

Kennewick, WA ZIP codes list

Kennewick, WA ZIP codes
ZIP code	County	Population	Median income	Typical home value
99336	Benton County	50,735	$62,527	$367,400
99337	Benton County	33,287	$98,848	$429,600
99338	Benton County	20,633	$111,042	$555,200

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Kennewick

Plymouth 10 mi
Richland 11 mi
Pasco 13 mi
West Richland 15 mi
Burbank 15 mi
Wallula 16 mi
Benton City 20 mi
Touchet 25 mi
Eltopia 25 mi
Prosser 27 mi
Paterson 27 mi
Mesa 31 mi

Frequently asked questions

What is the ZIP code for Kennewick, WA?

Kennewick, WA has 3 ZIP codes: 99336, 99337 and 99338.

What county is Kennewick, Washington in?

Kennewick ZIP codes are in Benton County.