Macomb is located in Illinois. Macomb, Illinois has a population of 17,041. Macomb is less family-centric than the surrounding county with 21% households with children. The county percentage for households with children is 24%.
The median household income in Macomb, Illinois is $42,913. The median household income for the surrounding county is $46,775 compared to the national median of $66,222. The median age of people living in Macomb is 26.7 years.
The average high temperature in July is 87 degrees, with an average low temperature in January of 13.3 degrees. The annual precipitation is 36.23.