Harlan, KY has a population of 1,554 and is the 12,476th largest city in the United States. The population density is 1,195 per sq mi which is 1002% higher than the Kentucky average and 1219% higher than the national average. The median age in Harlan is 44 which is approximately 14% higher than the Kentucky average of 39. In Harlan, 55% of the population over 15 years of age are married, 93% speak English and 1% speak Spanish. 77% of Harlan residents were born in Kentucky, 17% were born out of state, 1% were born outside of the United States and 5% were foreign born.