Lawai, HI has a population of 2,152 and is the 10,581st largest city in the United States. The population density is 531 per sq mi which is 317% higher than the Hawaii average and 486% higher than the national average. The median age in Lawai is 45 which is approximately 17% higher than the Hawaii average of 39. In Lawai, 61% of the population over 15 years of age are married, 93% speak English and 0% speak Spanish. 55% of Lawai residents were born in Hawaii, 38% were born out of state, 0% were born outside of the United States and 6% were foreign born.