About This Place
Thompsonville is a village in Franklin County, Illinois, United States. The population was 571 at the 2000 census.
Thompsonville is located at 37°54′59″N 88°45′42″W / 37.91639°N 88.76167°W / 37.91639; -88.76167 (37.916443, -88.761564).
According to the United States Census Bureau, the village has a total area of 2.1 square miles (5.3 km²), of which, 2.0 square miles (5.3 km²) of it is land and 0.49% is water.