Mount Carmel, IL has a population of 7,048 and is the 5,154th largest city in the United States. The population density is 1,452 per sq mi which is 553% higher than the Illinois average and 1503% higher than the national average. The median age in Mount Carmel is 43 which is approximately 14% higher than the Illinois average of 37. In Mount Carmel, 58% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 53% of Mount Carmel residents were born in Illinois, 42% were born out of state, 0% were born outside of the United States and 4% were foreign born.