Smithton URL: https://knowledge.ivjn.us/en/places/il-smithton.html Smithton is a town in Illinois, United States. ## Overview Smithton is a town in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 3,719[^geonames]. ## Geography - Coordinates: 38.4087, -89.9921 Updated: 2026-10-29 Relations: - Located in: Saint Clair County https://knowledge.ivjn.us/en/places/il-saint-clair-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip