Waihee-Waiehu, HI has a population of 9,177 and is the 4,200th largest city in the United States. The population density is 2,152 per sq mi which is 1590% higher than the Hawaii average and 2275% higher than the national average. The median age in Waihee-Waiehu is 36 which is approximately 6% lower than the Hawaii average of 39. In Waihee-Waiehu, 53% of the population over 15 years of age are married, 73% speak English and 1% speak Spanish. 63% of Waihee-Waiehu residents were born in Hawaii, 14% were born out of state, 2% were born outside of the United States and 22% were foreign born.