Istrouma Area Council serves Scouts in both Louisiana and Mississippi, primarily in the Greater Baton Rouge Area and Florida Parishes. Specifically, the council includes scouts from the following parishes: Ascension, East Baton Rouge, West Baton Rouge, East Feliciana, West Feliciana, Iberville, Pointe Coupee, St. Helena, St. James, St. Tammany, Washington, and Tangipahoa.