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ZIP Code 98542
Onalaska, WA, Lewis County
Population
625
Land area
10.9sq mi
People per sq mi
57
City
Onalaska
ZIP 98542 and nearby ZIP codes
ZIP 98542 at a glance
- ZIP 98542 (Onalaska) is 51% less dense than Washington as a whole.
- The median household income is $52,963, 46% below the Washington median of $98,141.
- A typical owner-occupied home is valued at $372,300 (34% below Washington).
Local data for ZIP 98542
Counts from official public data
Housing and community stats
ZIP 98542, American Community Survey 2020-2024
Median household income
$52,963
Poverty rate
19.2%
Median home value
$372,300
Homeownership
76.1%
Bachelor's or higher
9.9%
Median age
40.7
Average commute
25.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
12
ZIP Business Patterns 2023
Employees
32
$1.5M annual payroll
PPP loans
$1.4M
14 loans
Campaign donations
$1,729
0% D, 78% R, 2026 cycle
Environment and hazard risk
ZIP 98542, 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 ZIP 98542, CDC PLACES estimates
Obesity
41.4%
U.S. 33.3% +8.1 pts
Diabetes
14.9%
U.S. 12.1% +2.8 pts
Smoking
17.0%
U.S. 12.8% +4.2 pts
Uninsured (18-64)
9.5%
U.S. 11.1% -1.6 pts
Frequently asked questions
- What city is ZIP code 98542?
- ZIP code 98542 is in Onalaska, WA (Lewis County).
- What county is ZIP code 98542 in?
- ZIP code 98542 is mostly in Lewis County, Washington.
- How many people live in ZIP code 98542?
- About 625 people live in the 98542 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.