Using Google to search for "Orleans, In campgrounds" shows a few names, but no information or reviews. Not too far away is Hoosier National Forest, they have numerous campgrounds and some electric and water sites.
Hoosier National Forest - Camping & Cabins:RV Camping
Paoli and French Lick are attractions near by that also have campgrounds listed.
RV Parks, Campgrounds, Marinas and Resorts near Paoli, IN: 44 Listed
I've not camped in that part of Indiana, but have traveled through numerous times.