Hinckley, IL has a population of 2,053 and is the 10,866th largest city in the United States. The population density is 2,424 per sq mi which is 991% higher than the Illinois average and 2576% higher than the national average. The median age in Hinckley is 37 which is approximately equal to the Illinois average of 37. In Hinckley, 63% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 84% of Hinckley residents were born in Illinois, 13% were born out of state, 1% were born outside of the United States and 2% were foreign born.