Monday, July 24, 2023 Business Baton Rouge casino revenues drop in June as other markets cash in By Holly Duchmann - July 24, 2023 FacebookXLinkedinEmailPrint L'Auberge Casino in Baton Rouge. (File photo) While other markets around the country are reporting growth in casino revenues, Baton Rouge’s trio of riverboat casinos saw its numbers drop slightly last month, according to the state gaming board’s latest report. Already an INSIDER? Sign in.