Zip lookup · WA

98570
Onalaska, Washington.

Onalaska, Lewis County, WA · Centralia, WA metro · population 5,319

What it costs per month · 98570 $2,630/mo

to buy the typical home at today's mortgage rate — +$1,524 (+138%) since Jan 2020.

What the home itself did
1 year
Up $10,325 +2%
$490,795$501,120 since Sep 2025
5 years
Up $65,237 +15%
$435,883$501,120 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 98570 $2,630 United States $1,922
$500 $1,000 $1,500 $2,000 $2,500 2002 2010 2018 2026
  • 98570$2,630
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 25 years.

Typical home values in zip 98570 rose 2.1% over the past year — faster than the nation's +1.2%.

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

Typical home value $501,120 as of Sep 2026
+2.1%year on year

Typical home value — 98570

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $300,000 $400,000 $500,000 2018 2020 2022 2024 2026 98570 $501,120 Centralia $428,511 United States $366,157
$200,000 $300,000 $400,000 $500,000 2018 2022 2026
  • 98570$501,120
  • Centralia$428,511
  • 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
8.5 98585 Silver Creek 465 — $496,668
14.4 98591 Toledo 3,965 — $504,425
14.4 98576 Rainier 4,985 — $510,080
14.9 98531 Centralia 27,337 $1,414 $387,446
15.6 98564 Mossyrock 3,382 — $439,602
16.1 98530 Bucoda 619 — $306,255
16.4 98597 Yelm 26,669 $2,364 $479,754
16.7 98589 Tenino 7,010 — $505,607
17.8 98356 Morton 2,172 — $346,810
17.9 98596 Winlock 6,950 — $452,839
18.9 98532 Chehalis 27,135 $1,511 $468,519

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