Scott is the fourth largest municipality in Lafayette Parish, Louisiana, United States. The population was 8,614 as of the 2010 U.S. census…Scott is the fourth largest municipality in Lafayette Parish, Louisiana, United States. The population was 8,614 as of the 2010 U.S. census, and 8,119 at the 2020 census, up from 7,870 at the 2000 census. Scott is a suburban community of Lafayette and is part of the Lafayette metropolitan statistical area in Acadiana.