Kodiak, AK has a population of 6,272 and is the 5,592nd largest city in the United States. The population density is 1,599 per sq mi which is 145235% higher than the Alaska average and 1665% higher than the national average. The median age in Kodiak is 36 which is approximately 7% higher than the Alaska average of 34. In Kodiak, 51% of the population over 15 years of age are married, 57% speak English and 5% speak Spanish. 37% of Kodiak residents were born in Alaska, 28% were born out of state, 2% were born outside of the United States and 33% were foreign born.