Onalaska URL: https://knowledge.ivjn.us/en/places/wa-onalaska.html Onalaska is a village in Washington, United States. ## Overview Onalaska is a village in [Washington](https://knowledge.ivjn.us/en/places/washington.html), United States, with a population of about 621[^geonames]. ## Geography - Coordinates: 46.5751, -122.7182 Updated: 2026-10-29 Relations: - Located in: Lewis County https://knowledge.ivjn.us/en/places/wa-lewis-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip