ZIP Code 99338 Map
Census ZIP Code Tabulation Area 99338 in Kennewick, WA (Benton County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 99338 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
20,633
Households
6,937
Median household income
$111,042
Median age
37.6 years
Median home value
$551,500
Median gross rent
$1,486/mo
Owner-occupied homes
81.9%
Bachelor's degree or higher
39.3%
Below poverty level
8.5%
Land area
35.5 sq mi
Population density
582 / sq mi