Colona, IL has a population of 4,876 and is the 6,582nd largest city in the United States. The population density is 1,284 per sq mi which is 478% higher than the Illinois average and 1317% higher than the national average. The median age in Colona is 40 which is approximately 7% higher than the Illinois average of 37. In Colona, 63% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 71% of Colona residents were born in Illinois, 27% were born out of state, 1% were born outside of the United States and 2% were foreign born.