Benton County, WA Average Home Price (2026)
The average home price in Benton County, Washington is about $432,500 (the 2026 median across 10 ZIP codes, at ~$260/sq ft) — 14% more affordable than the Washington median and 50% more expensive than the typical U.S. home.
How Benton County compares
Benton County is relatively expensive for housing nationally: its typical home costs $432,500 against $501,000 for Washington and $289,000 for the U.S. Within the county, ZIP-level values run from about $319,000 to $747,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Benton County | $432,500 | $260 |
| Washington | $501,000 | $312 |
| United States | $289,000 | $193 |
Cities in Benton County
Cities with their own home-value page, largest first:
Benton County home prices by ZIP code
The 10 most valuable ZIP codes in Benton County (of 10 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 99346 Plymouth | $747,000 | $393 | +73% |
| 99338 Kennewick | $555,000 | $287 | +28% |
| 99353 West Richland | $495,000 | $273 | +14% |
| 99352 Richland | $494,000 | $266 | +14% |
| 99320 Benton City | $435,000 | $279 | +1% |
| 99337 Kennewick | $430,000 | $245 | -1% |
| 99350 Prosser | $416,000 | $253 | -4% |
| 99354 Richland | $415,000 | $234 | -4% |
| 99336 Kennewick | $367,000 | $238 | -15% |
| 98944 Sunnyside | $319,000 | $238 | -26% |
Home value appreciation in Benton County
Home prices in Benton County have risen about 117% over the last 10 years (≈8.1% a year) and +165.4% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +3.1% — still rising. A home worth $432,500 today was worth roughly $199,217 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Washington is +113.0% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Benton County
Run the numbers for Benton County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Benton County
To buy the typical $432,500 home in Benton County with 20% down, you need a household income of roughly $118,000 a year (about $2,750 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $140,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $21,600 | $3,410/mo | $146,000/yr |
| 10% (+PMI) | $43,300 | $3,260/mo | $140,000/yr |
| 20% | $86,500 | $2,750/mo | $118,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Benton County
At about $260 per square foot, here is roughly how much home different budgets get you in Benton County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $200k | 770 sq ft | below the local median — condos, smaller or older homes |
| $250k | 960 sq ft | below the local median — condos, smaller or older homes |
| $300k | 1150 sq ft | below the local median — condos, smaller or older homes |
| $400k | 1540 sq ft | around the typical home here |
| $500k | 1920 sq ft | around the typical home here |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Washington.
Estimate a specific home in Benton County
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Benton County home prices: frequently asked
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Browse all Washington cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.