Williamson URL: https://knowledge.ivjn.us/en/places/ia-williamson.html Williamson is a village in Iowa, United States. ## Overview Williamson is a village in [Iowa](https://knowledge.ivjn.us/en/places/iowa.html), United States, with a population of about 160[^geonames]. ## Geography - Coordinates: 41.1436, -94.5661 Updated: 2026-10-29 Relations: - Located in: Adams County https://knowledge.ivjn.us/en/places/ia-adams-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip