Cottonwood is located in west South Dakota. Cottonwood is between the Pennington, Haakon, Jackson county. Cottonwood has 0.92 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Cottonwood population is 3, which has shrunk 50.00% since 2000. The population growth rate is much lower than the state average rate of 10.58% and is much lower than the national average rate of 11.61%. Cottonwood median household income is $75,487 in 2000. On average, the public school district that covers Cottonwood is much better than the state average in quality.