Located 209 southwest from Saskatoon, the RM of Coulee No. 136 hosts a population of 563, giving it a population density of 0.7/km². The RM features the hamlet of Chortitz and the localities of Braddock, Burnham, Hallonquist, McMahon, Neidpath, Rheinfeld, Rosenhof, Rosenort, and South Gnadenthal.