Brule County was organized in 1879. In September of 1879 Governor Howard appointed county Commissioners, who then
held their first meeting at Brule City, September 20, 1879. A general election held on November 4, 1879 named Brule City
as the county seat. The railroad reached Chamberlain in the spring of 1881 and at the election in the fall of that year,
the county seat was moved from Brule City to Chamberlain.
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 846 square miles (2,192 km2), of which, 819
square miles (2,121 km2) of it is land and 28 square miles (71 km2) of it (3.25%) is water.