what county is brook indiana in
Corn Brook, Indiana. Corn Brook is an unincorporated community in Columbus Township, Bartholomew County, Indiana. Geography. Corn Brook is located at 39Â°14â²40â³N 85Â°56â²21â³W / 39.24444Â°N 85.93917Â°W / 39.24444; -85.93917.