- Welcome to the Montpelier, Indiana website! Montpelier is a small midwestern town with tree-lined streets, friendly neighbors, and a great deal of pride. With a unique blend of small town values and small town charm, Montpelier has a lot to offer. Every year during the Labor Day weekend, Montpelier celebrates its heritage at our Jamboree. Volunteers work year round to stage this extravaganza and ...www.montpelier-ind.com