Cotton County, Oklahoma: History
The eastern part of what is now Cotton County was opened to settlement by non-Native Americans by the 1901 Kiowa-Comanche-Apache Opening, which distributed land by a lottery system. In 1906, the remainder of the present county, then known as the Big Pasture was opened through a sealed bid process. Most of this territory became part of Comanche County at statehood in 1907.
In 1910, residents of the present Cotton County area tried to form a new county, named "Swanson County," but this effort failed in 1911. Another effort in 1912 succeeded. This time, residents elected to split from Comanche County and name the new county "Cotton County," for the primary crop in the region at the time. Randlett, Oklahoma was assigned as a temporary county seat, until a November 4, 1912, election made Walters, Oklahoma the permanent location.
Wheat became more prevalent than, and corn just as prevalent as, cotton as early as 1915. In 1934, corn had dwindled and winter wheat, cotton and oats had become the primary crops.
The county population has generally declined since 1920. In 1920, the population was 16,679. In 1930, it was 15,542. There was a brief increase in the late 1900s, but decline resumed in the 21st century.