 Shortly after being incorporated in 1911, Omak unsuccessfully contested Okanogan to become the administrative center of Okanogan County, after Conconully lost its status.During the temperance movement before national prohibition, Omak residents favored the banishment of alcohol in Washington, which was opposed by those of Okanogan.The United States Army (USA) operates two military recruiting centers in Omak, although a historical military band, the Omak Military Band, also operated around 1910.