ZIP codes
2
Kennewick, WA Demographics & ZIP Codes
Kennewick, Washington demographics and median household income by ZIP code (in Benton County) — 2 ZIP codes — population 70,415 — median income $89,655 — avg. home value $409,500. Compare income, housing, and population across ZIP codes on US5.
Population
70,415
Median household income (avg.)
$89,655
119% of U.S. median
Average home value
$409,500
118% of U.S. median
Average rent
$1,206
104% of U.S. median
Median age (avg.)
36.7
Kennewick demographics
Kennewick, Washington covers 2 ZIP codes primarily in Benton County, with a combined ZIP-area population of about 70,415.
Across ZIP codes with age data, the average median age is about 36.7 years.
Median household income in Kennewick
The average median household income across ZIP codes in Kennewick, Washington is about $89,655 — about 3% above the WA ZIP average ($87,083), and about 19% above the U.S. median ($75,149).
Among ZIPs with income data, 99338 is near the top at about $116,002, while 99336 is near the bottom at about $63,308.
Housing in Kennewick
For housing in Kennewick, Washington, the average median home value is about $409,500 and the average median rent is about $1,206.
The most populous ZIP in this set is 99336 (about 51,180 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Kennewick
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 99336 | Kennewick | Benton County | WA | 51,180 | $63,308 | $292,300 |
| 99338 | Kennewick | Benton County | WA | 19,235 | $116,002 | $526,700 |
Frequently asked questions
What are the demographics of Kennewick?
Kennewick, Washington has a combined ZIP-area population of about 70,415 across 2 ZIP codes (primarily Benton County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Kennewick?
The average median household income across ZIP codes in Kennewick, Washington is about $89,655, about 3% above the state ZIP average ($87,083), and about 19% above the U.S. median ($75,149). Average median home value is about $409,500. Among ZIPs with data, 99338 is near the top ($116,002) and 99336 is near the bottom ($63,308).
How many ZIP codes are in Kennewick?
Kennewick, Washington includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Kennewick?
This page lists ZIP codes in Kennewick, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.