Puhi, HI has a population of 3,942 and is the 7,506th largest city in the United States. The population density is 4,434 per sq mi which is 3381% higher than the Hawaii average and 4794% higher than the national average. The median age in Puhi is 39 which is approximately 1% higher than the Hawaii average of 39. In Puhi, 60% of the population over 15 years of age are married, 65% speak English and 3% speak Spanish. 53% of Puhi residents were born in Hawaii, 18% were born out of state, 1% were born outside of the United States and 28% were foreign born.