Karluk is a census-designated place in Kodiak Borough, Kodiak Island, Alaska, United States. The population was 37 at the 2010 census, up from 27 in 2000. According to the United States Census Bureau, the CDP has a total area of 57.9 square miles, of which 55.4 square miles is land and 2.4 square miles, or 4.20%, is water. Karluk is 88 miles southwest of Kod…Karluk is a census-designated place in Kodiak Borough, Kodiak Island, Alaska, United States. The population was 37 at the 2010 census, up from 27 in 2000. According to the United States Census Bureau, the CDP has a total area of 57.9 square miles, of which 55.4 square miles is land and 2.4 square miles, or 4.20%, is water. Karluk is 88 miles southwest of Kodiak City. The elevation is 137 feet.