The town of Grand Coteau is located in the parish of St. Landry. It covers a total area of 6.2 sq. km. The local inhabitants are engaged in businesses related to supplies of building materials, supplies of clothing accessories, supplies of landscaping equipments, financial advisory services, contracting in masonry, consultancy in real estate and real estate inspection services, contribute to the economic development of the city. Commercial spaces are utilized by restaurants, garden centers, convenience stores and clubs.