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Onalaska, WA
Census-designated place in Lewis County, Washington.
Population
848
Land area
1.6sq mi
People per sq mi
529
ZIP codes
0
Onalaska and its ZIP codes
Onalaska at a glance
- Onalaska is about 4.5 times as dense as Washington as a whole.
- A typical owner-occupied home is valued at $423,700 (25% below Washington) and median rent is $844 a month.
Local data for Onalaska, WA
Counts from official public data
Housing and community stats
Onalaska, WA, American Community Survey 2020-2024
Poverty rate
11.9%
Median home value
$423,700
Median rent
$844/mo
Homeownership
57.4%
Bachelor's or higher
19.0%
Median age
38.4
Largest reported origins and ancestries: Norwegian Americans (72), Irish Americans (67), Mexican Americans (49).
Economy and federal money
Jobs, pay, income and spending are for Lewis County. PPP loans are for Onalaska.
Unemployment rate
5.6%
Aug 2026, +0.2 pts in a year
Average annual pay
$60,885
27,423 jobs, 2025
Income per person
$58,706
BEA, 2024
Federal spending
$675M
FY 2026, $8,214 per person
How people get to work
Onalaska, WA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone88.6%
- Carpooled0.0%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home11.4%
Environment and hazard risk
Onalaska, WA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: earthquake
Storm events since 1996
18
Countywide, mostly flood
Flood insurance policies
1,035
2.9% of homes, county
July high / Jan low
81° / 33°F
58.7 inches of rain a year
Health statistics
Share of adults in Onalaska, WA, CDC PLACES estimates
Obesity
39.1%
U.S. 33.3% +5.8 pts
Diabetes
12.6%
U.S. 12.1% +0.5 pts
Smoking
14.6%
U.S. 12.8% +1.8 pts
Uninsured (18-64)
8.5%
U.S. 11.1% -2.6 pts
Cities near Onalaska
| Name | Distance | Land area (sq mi) |
|---|---|---|
| NapavineCity | 9.4 mi | 2.9 |
| MossyrockCity | 11 mi | 0.7 |
| ToledoCity | 12 mi | 0.4 |
| WinlockCity | 12 mi | 3.4 |
| ChehalisCity | 14 mi | 5.8 |
| CentraliaCity | 16 mi | 7.8 |
| BucodaTown | 17 mi | 0.6 |
| VaderCity | 17 mi | 0.9 |
| Fords PrairieCensus-designated place | 18 mi | 3.7 |
| TeninoCity | 20 mi | 1.5 |
| MortonCity | 20 mi | 0.8 |
| Grand MoundCensus-designated place | 21 mi | 4.1 |
| RyderwoodCensus-designated place | 21 mi | 0.2 |
| RainierCity | 22 mi | 1.7 |
| Castle RockCity | 24 mi | 2.1 |
| RochesterCensus-designated place | 24 mi | 8.5 |
Frequently asked questions
- What county is Onalaska, WA in?
- Onalaska is in Lewis County, Washington.
- What is the population of Onalaska, WA?
- About 848 people live in Onalaska, based on American Community Survey 5-year estimates.
- What cities are near Onalaska?
- Nearby places include Napavine (9.4 mi), Mossyrock (11 mi), Toledo (12 mi), Winlock (12 mi), Chehalis (14 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023