Carrollton, IL has a population of 2,430 and is the 9,994th largest city in the United States. The population density is 1,277 per sq mi which is 475% higher than the Illinois average and 1310% higher than the national average. The median age in Carrollton is 43 which is approximately 15% higher than the Illinois average of 37. In Carrollton, 65% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 87% of Carrollton residents were born in Illinois, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.