Today, Cote Sans Dessein Township covers an area of 48 sqmi and, as of 2018, contains no incorporated settlements, but does include the unincorporated community of Tebbetts and the historic riverbank settlements of Cote Sans Dessein and Barkersville (west of Cote Sans Dessein settlement with a post office and school as of 1876), as well as historic Effie (inland and northeast of Tebbetts), plus rural homes.