Kekaha, HI has a population of 3,095 and is the 8,651st largest city in the United States. The population density is 3,086 per sq mi which is 2323% higher than the Hawaii average and 3306% higher than the national average. The median age in Kekaha is 43 which is approximately 11% higher than the Hawaii average of 39. In Kekaha, 60% of the population over 15 years of age are married, 79% speak English and 1% speak Spanish. 74% of Kekaha residents were born in Hawaii, 11% were born out of state, 1% were born outside of the United States and 15% were foreign born.