Pocasset is a town in Grady County, Oklahoma, United States. The population was 156 at the 2010 census, down from 192 at the 2000 census.Pocasset is located in northwestern Grady County at 35°11′38″N 97°57′14″W / 35.19389°N 97.95389°W / 35.19389; -97.95389. U.S. Route 81 passes through the town center, leading south 11 miles to Chickasha, the county seat, and north 8 miles to Minco.According to the United States Census Bureau, Pocasset has a total area of 0.46 square miles, all of it land.As of the census of 2000, there were 192 people, 75 households, and 54 families residing in the town. The population density was 402.5 people per square mile. There were 93 housing units at an average density of 195.0 per square mile. The racial makeup of the town was 91.67% White, 2.60% Native American, 2.60% from other races, and 3.12% from two or more races. Hispanic or Latino of any race were 6.77% of the population.There were 75 households out of which 36.