Lake Hamilton, AR has a population of 1,874 and is the 11,409th largest city in the United States. The population density is 963 per sq mi which is 1637% higher than the Arkansas average and 963% higher than the national average. The median age in Lake Hamilton is 50 which is approximately 32% higher than the Arkansas average of 38. In Lake Hamilton, 73% of the population over 15 years of age are married, 92% speak English and 4% speak Spanish. 58% of Lake Hamilton residents were born in Arkansas, 36% were born out of state, 1% were born outside of the United States and 4% were foreign born.