Stationed 271 km southwest from Saskatoon, the RM of Chesterfield No. 261 hosts a population of 481, giving it a population density of 0.2/km². The RM features the town of Eatonia, the village of Mantario, the hamlet of Laporte, and the localities of Cuthbert and Eyre. The attractions found in the area include the Buffalo Rubbing Stone Provincial Historic Site, the Estuary Ferry, the Great Wall of Saskatchewan, the Motherwell Reservoir, and the Kindersley Plains Museum and Regional Park.