Some of the cities, towns, and places in Power County are American Falls, Arbon, Arbon Valley, Neeley, Pauline, Pocatello, Rockland, Roy
Power County is a county located in the U.S. state of Idaho. As of the 2010 Census, the county had a population of 7,817. The county seat and largest city is American Falls. The county was created by the Idaho Legislature on January 30, 1913, by a partition of Cassia County. It is named for an early hydroelectric power plant (1902) at the American Falls.