Morgan City, Louisiana it soon replaced the Loganberry of California. According to the United States Census Bureau, the city has a total area of , of which is land and , or 4.03%, is water. If the Mississippi River were to experience a major course change in the vicinity of the Old River Control Structure or Morganza Spillway, the main channel of the river would likely enter the Gulf of Mexico near Morgan City instead of New Orleans. As of the census of 2000, there were 12,703 people, 5,037 households, and 3,394 families residing in the city. The population density was 2,166.5 people
Morganza Spillway 2011 event) had been opened by the Corps of Engineers. The Corps estimated the flow rate at . However, on May 25, new estimates from the U.S. Geologic Survey (USGS) described a much higher rate of , resulting in the closure of 3 bays by May 26, and additional closures by May 29, bringing the total to 11 bays with an estimated diversion rate of . The Corps continued to evaluate the flow and close additional bays as appropriate. By June 6, the number of open gates had been reduced to seven, and by June 8, only two gates were