Casey URL: https://knowledge.ivjn.us/en/places/il-casey.html Casey is a town in Illinois, United States. ## Overview Casey is a town in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 2,709[^geonames]. ## Geography - Coordinates: 39.2992, -87.9925 Updated: 2026-10-29 Relations: - Located in: Clark County https://knowledge.ivjn.us/en/places/il-clark-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip