Diomede is an incorporated town and is the only habitable area on Little Diomede Island. The island is located in the Nome Census Area of th…Diomede is an incorporated town and is the only habitable area on Little Diomede Island. The island is located in the Nome Census Area of the Unorganized Borough of the U.S. state of Alaska. All the buildings are on the west coast of Little Diomede, which is the smaller of the two Diomede Islands located in the middle of the Bering Strait between the United States and the Russian Far East. Diomede is the only settlement on Little Diomede Island. The population is 82 people, down from 115 at the 2010 census and 146 in 2000.