98570   Zip Code Onalaska Lewis WA United States

City Onalaska
County Lewis
State Washington
Latitude 46.63556
Longitude -122.63534
Population 5,319
Density 42.23 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $95,795
Median individual: $36,105

Race

Mode: 79.6% White

Gender

 51.3% female 

Rent

  $1017 / month  

Median house value: $423,564.0

Age

Median: 42.1 years old

Education

With at least college degree: 12.3%
With STEM degree: 54.2%

Marital Status

 60.5% married 

Never married: 21.1%

Labor Force Participation

 54.9% working 

Unemployed: 7.0%

Average Family Size

 3.29 people 

Commute Time

 33.2 minutes 

Health Care

 5.1% uninsured 

Poverty

 14.8%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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