Basic information about the Dewey County
The Dewey County is located in the state of South Dakota. This county occupies 2446 square miles, with 143 square miles being water areas. There are 5.301 inhabitants living in the county according to the 2010 Census. As for the racial makeup of Dewey County citizens, the 3 largest groups are American Indian and Alaska Native (74.89%), followed by White (21.03%) and Two or More races (3.58%). There are 1.730 households in the county, while 71,62% of them are family households and 28,38% represent non family households. There are 7 cities and towns in Dewey County. The most populated city is North Eagle Butte CDP and the smallest town or village is Green Grass CDP.