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ZIP Code 99338
Kennewick, WA, Benton County
Population
20,633
Land area
35.5sq mi
People per sq mi
582
City
Kennewick
ZIP 99338 and nearby ZIP codes
ZIP 99338 at a glance
- ZIP 99338 (Kennewick) is about 4.9 times as dense as Washington as a whole.
- The median household income is $111,042, 13% above the Washington median of $98,141.
- A typical owner-occupied home is valued at $551,500 and median rent is $1,486 a month.
Local data for ZIP 99338
Counts from official public data
Housing and community stats
ZIP 99338, American Community Survey 2020-2024
Median household income
$111,042
Poverty rate
8.5%
Median home value
$551,500
Prices +2.1% in a year
Median rent
$1,486/mo
Homeownership
81.9%
Bachelor's or higher
39.3%
Median age
37.6
Average commute
21.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
346
ZIP Business Patterns 2023
Employees
3,543
$240M annual payroll
PPP loans
$37.9M
331 loans
Campaign donations
$147K
15% D, 29% R, 2026 cycle
Environment and hazard risk
ZIP 99338, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: wildfire
Storm events since 1996
292
Countywide, mostly high wind
Flood insurance policies
188
0.3% of homes, county
July high / Jan low
91° / 29°F
7.9 inches of rain a year
Health statistics
Share of adults in ZIP 99338, CDC PLACES estimates
Obesity
34.0%
U.S. 33.3% +0.7 pts
Diabetes
9.1%
U.S. 12.1% -3.0 pts
Smoking
8.9%
U.S. 12.8% -3.9 pts
Uninsured (18-64)
7.0%
U.S. 11.1% -4.1 pts
Frequently asked questions
- What city is ZIP code 99338?
- ZIP code 99338 is in Kennewick, WA (Benton County).
- What county is ZIP code 99338 in?
- ZIP code 99338 is mostly in Benton County, Washington.
- How many people live in ZIP code 99338?
- About 20,633 people live in the 99338 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.