Honolulu, HI has a population of 349,597 and is the 55th largest city in the United States. The population density is 5,774 per sq mi which is 4433% higher than the Hawaii average and 6273% higher than the national average. The median age in Honolulu is 41 which is approximately 6% higher than the Hawaii average of 39. In Honolulu, 53% of the population over 15 years of age are married, 63% speak English and 1% speak Spanish. 49% of Honolulu residents were born in Hawaii, 20% were born out of state, 4% were born outside of the United States and 27% were foreign born.