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Data Last Updated: June 1, 2023
ZIP Codes for City of Onalaska, WA
Onalaska, WA ZIP Code Boundaries
Onalaska, WA Covers 1 ZIP Code
Onalaska, WA Demographic Information *
* Demographic data is based on 2010 Census for the City of ONALASKA.
** City and ZIP Code Population will not be equal due to differences in their geographies.