Saint Clair URL: https://knowledge.ivjn.us/en/places/mo-saint-clair.html Saint Clair is a town in Missouri, United States. ## Overview Saint Clair is a town in [Missouri](https://knowledge.ivjn.us/en/places/missouri.html), United States, with a population of about 4,724[^geonames]. ## Geography - Coordinates: 38.3453, -90.9810 Updated: 2026-10-29 Relations: - Located in: Franklin County https://knowledge.ivjn.us/en/places/mo-franklin-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip