Makakilo, HI has a population of 20,353 and is the 2,135th largest city in the United States. The population density is 5,332 per sq mi which is 4086% higher than the Hawaii average and 5785% higher than the national average. The median age in Makakilo is 33 which is approximately 14% lower than the Hawaii average of 39. In Makakilo, 57% of the population over 15 years of age are married, 76% speak English and 2% speak Spanish. 50% of Makakilo residents were born in Hawaii, 29% were born out of state, 5% were born outside of the United States and 16% were foreign born.