ZIP codes
11
Benton County, WA Demographics & ZIP Codes
Benton County, Washington demographics and median household income by ZIP code — 11 ZIP codes — population 233,336 — avg. income $86,936 — avg. home value $348,836. Compare income, housing, and ZIP-level data on US5.
Population
233,336
Median household income (avg.)
$86,936
116% of U.S. median
Average home value
$348,836
100% of U.S. median
Average rent
$1,008
87% of U.S. median
Benton County demographics
Benton County, Washington covers 11 ZIP codes, with a combined ZIP-area population of about 233,336.
Median household income in Benton County
The average median household income across ZIP codes in Benton County, Washington is about $86,936 — about even with the WA ZIP average ($87,083), and about 16% above the U.S. median ($75,149).
Among ZIPs with income data, 99353 (West Richland) is near the top at about $120,396, while 99346 is near the bottom at about $50,588.
Housing in Benton County
For housing in Benton County, Washington, the average median home value is about $348,836 and the average median rent is about $1,008.
The most populous ZIP is 99336 (Kennewick) with about 51,180 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Benton County
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 |
| 99352 | Richland | Benton County | WA | 36,641 | $96,875 | $442,100 |
| 99337 | Finley | Benton County | WA | 33,080 | $90,227 | $356,700 |
| 99354 | Richland | Benton County | WA | 25,577 | $88,601 | $355,400 |
| 98944 | Sunnyside | Benton County | WA | 24,048 | $60,167 | $230,100 |
| 99338 | Kennewick | Benton County | WA | 19,235 | $116,002 | $526,700 |
| 99353 | West Richland | Benton County | WA | 18,702 | $120,396 | $407,600 |
| 99350 | Prosser | Benton County | WA | 14,278 | $74,393 | $289,100 |
| 99320 | West Richland | Benton County | WA | 10,157 | $84,494 | $300,300 |
| 99346 | — | Benton County | WA | 269 | $50,588 | $214,700 |
| 99345 | — | Benton County | WA | 169 | $111,250 | $422,200 |
Frequently asked questions
What are the demographics of Benton County?
Benton County, Washington has a combined ZIP-area population of about 233,336 across 11 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Benton County?
The average median household income across ZIP codes in Benton County, Washington is about $86,936, roughly in line with the state ZIP average ($87,083), and about 16% above the U.S. median ($75,149). Average median home value is about $348,836. Among ZIPs with data, 99353 (West Richland) is near the top ($120,396) and 99346 is near the bottom ($50,588).
How many ZIP codes are in Benton County?
Benton County, Washington includes 11 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Benton County?
This page lists ZIP codes in Benton County, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.