(pronounced kah-ME-I) is a city in Idaho and Lewis counties in the U.S. state of Idaho. The largest city in Lewis County, it extends only a small distance into Idaho County. The population was 1,160 at the 2000 census.
The Kamiah area has been inhabited by the Nez Perce for centuries. The name "Kamiah" is Nez Perce for "many rope litters," as Nez Perce manufactured "Kamia" ropes in the area to fish steelhead. Also according to Nez Perce tradition, the appaloosa was first bred in the area.
The Lewis and Clark Expedition camped in the Kamiah area for several weeks during the spring of 1806.
According to the United States Census Bureau, the city has a total area of 1.2 square miles (3.0 km²), of which, 1.1 square miles (2.8 km²) of it is land and 0.1 square miles (0.2 km²) of it (5.98%) is water.