Karluk, AK has a population of 45 and is the 28,271st largest city in the United States. The population density is 1 per sq mi which is 27% lower than the Alaska average and 99% lower than the national average. The median age in Karluk is 35 which is approximately 5% higher than the Alaska average of 34. In Karluk, 33% of the population over 15 years of age are married, 91% speak English and 0% speak Spanish. 100% of Karluk residents were born in Alaska, 0% were born out of state, 0% were born outside of the United States and 0% were foreign born.