Drainage summary
Big Spring township, Shelby County, Illinois has a recorded population of 606. For drainage, the page currently shows stormwater segments: ~ 12, ditches and channels: ~ 9, low points: ~ 4, road shoulders: ~ 8, residents covered: 606. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.