Zip lookup · WA

99320
Benton City, Washington.

Benton City, Benton County, WA · Kennewick-Richland, WA metro · population 9,879

What it costs per month · 99320 $2,282/mo

to buy the typical home at today's mortgage rate — +$1,192 (+109%) since Jan 2020.

What the home itself did
1 year
Up $5,298 +1%
$429,409$434,707 since Sep 2025
5 years
Up $60,172 +16%
$374,534$434,707 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 $2,500 2002 2006 2010 2014 2018 2022 2026 99320 $2,282 United States $1,922
$500 $1,000 $1,500 $2,000 $2,500 2002 2010 2018 2026
  • 99320$2,282
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 23 years.

Typical home values in zip 99320 rose 1.2% over the past year — in step with the nation.

Zillow also publishes an index for the city itself: Benton City, WA — measured over the city limits, which is a different area from this zip.

Typical home value $434,707 as of Sep 2026
+1.2%year on year

Typical home value — 99320

Mid-tier homes, smoothed and seasonally adjusted.

$250,000 $300,000 $350,000 $400,000 $450,000 2018 2020 2022 2024 2026 99320 $434,707 Kennewick $436,660 United States $366,157
$250,000 $300,000 $350,000 $400,000 $450,000 2018 2022 2026
  • 99320$434,707
  • Kennewick$436,660
  • United States$366,157

Within 20 miles

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
7.0 99353 West Richland 19,251 $2,026 $495,480
10.7 99354 Richland 25,559 $1,633 $415,416
12.6 99352 Richland 37,430 $1,725 $494,491
13.7 98944 Sunnyside 22,817 $1,900 $319,111
15.4 99350 Prosser 14,837 $1,470 $415,871
16.0 99338 Kennewick 20,633 $1,829 $555,190
18.1 98930 Grandview 15,730 — $333,219
18.3 99336 Kennewick 50,735 $1,518 $367,449

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.