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.
Nearly a Third of All Ascension Parish Homes Flooded as Levee Overtopped Amid Deadly Flooding. Nearly a third of all the homes in Ascension Parish, Louisiana, have been flooded as floodwater overtopped a levee along the Amite River, the Baton Rouge Advocate says.