Kahaluu-Keauhou, HI has a population of 3,381 and is the 8,216th largest city in the United States. The population density is 604 per sq mi which is 374% higher than the Hawaii average and 567% higher than the national average. The median age in Kahaluu-Keauhou is 55 which is approximately 44% higher than the Hawaii average of 39. In Kahaluu-Keauhou, 79% of the population over 15 years of age are married, 85% speak English and 2% speak Spanish. 21% of Kahaluu-Keauhou residents were born in Hawaii, 61% were born out of state, 0% were born outside of the United States and 18% were foreign born.