Mt Carroll is located in Illinois. Mt Carroll, Illinois has a population of823.
The median household income in Mt Carroll, Illinois is $53,139. The median household income for the surrounding county is $54,579 compared to the national median of $66,222. The median age of people living in Mt Carroll is 44.5 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 7.5 degrees. The annual precipitation is 37.8.