Haleiwa, HI has a population of 3,392 and is the 8,199th largest city in the United States. The population density is 1,486 per sq mi which is 1066% higher than the Hawaii average and 1540% higher than the national average. The median age in Haleiwa is 36 which is approximately 6% lower than the Hawaii average of 39. In Haleiwa, 57% of the population over 15 years of age are married, 78% speak English and 2% speak Spanish. 51% of Haleiwa residents were born in Hawaii, 32% were born out of state, 1% were born outside of the United States and 16% were foreign born.