Tilton, IL has a population of 2,639 and is the 9,498th largest city in the United States. The population density is 823 per sq mi which is 270% higher than the Illinois average and 808% higher than the national average. The median age in Tilton is 49 which is approximately 32% higher than the Illinois average of 37. In Tilton, 64% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 83% of Tilton residents were born in Illinois, 15% were born out of state, 2% were born outside of the United States and 0% were foreign born.