Hanamaulu, HI has a population of 5,039 and is the 6,441st largest city in the United States. The population density is 3,962 per sq mi which is 3011% higher than the Hawaii average and 4273% higher than the national average. The median age in Hanamaulu is 35 which is approximately 8% lower than the Hawaii average of 39. In Hanamaulu, 55% of the population over 15 years of age are married, 62% speak English and 1% speak Spanish. 60% of Hanamaulu residents were born in Hawaii, 7% were born out of state, 2% were born outside of the United States and 32% were foreign born.