Lewis County is a county in the north central region of the U.S. state of Idaho. As of the 2010 census, 3,821 people lived there. The county seat is Nezperce, and largest city is Kamiah.
Lewis County is a county in the north central region of the U.S. state of Idaho. As of the 2010 census, 3,821 people lived there. The county seat is Nezperce, and largest city is Kamiah.