Hanna City, IL has a population of 1,227 and is the 13,897th largest city in the United States. The population density is 931 per sq mi which is 319% higher than the Illinois average and 928% higher than the national average. The median age in Hanna City is 41 which is approximately 10% higher than the Illinois average of 37. In Hanna City, 66% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 88% of Hanna City residents were born in Illinois, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.