Union URL: https://knowledge.ivjn.us/en/places/ia-union.html Union is a village in Iowa, United States. ## Overview Union is a village in [Iowa](https://knowledge.ivjn.us/en/places/iowa.html), United States, with a population of about 386[^geonames]. ## Geography - Coordinates: 42.2455, -93.0647 Updated: 2026-10-29 Relations: - Located in: Hardin County https://knowledge.ivjn.us/en/places/ia-hardin-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip