Columbus, IN. Online Offers. Columbus ( /kÉlÊmbÉs/) is a city in and the county seat of Bartholomew County, Indiana, United States. The population was 44,061 at the 2010 census, and the current mayor is Fred Armstrong.
In 1951, the U.S. Army Corps of Engineers began construction of the New Orleans Mississippi River Floodwall under the Dumaine Street Wharf. Between 1973 and 1992, 15 major sections were built at a cost of $30 million.
1 Eastern US to face downpours, flash flood threat at midweek Weather News - September 03, 2017, 10:51:08 AM EDT Humid air and a slow-moving front will heighten the risk for downpours and flash flooding across the eastern U.S. at midweek.