Iuka, MS has a population of 2,997 and is the 8,822nd largest city in the United States. The population density is 309 per sq mi which is 383% higher than the Mississippi average and 241% higher than the national average. The median age in Iuka is 42 which is approximately 15% higher than the Mississippi average of 37. In Iuka, 65% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 64% of Iuka residents were born in Mississippi, 35% were born out of state, 0% were born outside of the United States and 0% were foreign born.