Lihue, HI has a population of 7,196 and is the 5,081st largest city in the United States. The population density is 1,079 per sq mi which is 747% higher than the Hawaii average and 1091% higher than the national average. The median age in Lihue is 43 which is approximately 11% higher than the Hawaii average of 39. In Lihue, 51% of the population over 15 years of age are married, 81% speak English and 0% speak Spanish. 68% of Lihue residents were born in Hawaii, 17% were born out of state, 1% were born outside of the United States and 14% were foreign born.