Union URL: https://knowledge.ivjn.us/en/places/wa-union.html Union is a village in Washington, United States. ## Overview Union is a village in [Washington](https://knowledge.ivjn.us/en/places/washington.html), United States, with a population of about 631[^geonames]. ## Geography - Coordinates: 47.3551, -123.1010 Updated: 2026-10-29 Relations: - Located in: Mason County https://knowledge.ivjn.us/en/places/wa-mason-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip