Flat Rock URL: https://knowledge.ivjn.us/en/places/il-flat-rock.html Flat Rock is a village in Illinois, United States. ## Overview Flat Rock is a village in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 325[^geonames]. ## Geography - Coordinates: 38.9017, -87.6717 Updated: 2026-10-29 Relations: - Located in: Crawford County https://knowledge.ivjn.us/en/places/il-crawford-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip