Morganza, Louisiana Morganza, Louisiana Morganza is an incorporated village near the Mississippi River in Pointe Coupee Parish, Louisiana, United States. The population was 610 at the 2010 census, down from 659 in 2000. It is part of the Baton Rouge Metropolitan Statistical Area. The village's zip code is 70759. The Morganza Spillway, a flood control structure between the Mississippi River and the Atchafalaya Basin, is located nearby. Morganza takes its name from Morganza Plantation, the antebellum holding of Charles Morgan, an early surveyor, political figure and first American sheriff of Pointe Coupee Parish. Morgan, the son of James Morgan from a town
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