Macomb Real EstateMacomb is located in Illinois. Macomb, Illinois has a population of 15,681. Macomb is more family-centric than the surrounding county with 31.61% of the households containing married families with children. The county average for households married with children is 26.67%. The median household income in Macomb, Illinois is $33,588. The median household income for the surrounding county is $45,704 compared to the national median of $69,021. The median age of people living in Macomb is 26.8 years. Macomb WeatherThe average high temperature in July is 86.2 degrees, with an average low temperature in January of 15.7 degrees. The average rainfall is approximately 38.8 inches per year, with 18.5 inches of snow per year. Macomb MapReal estate near MacombNearby CitiesNearby Cities Homes for Sale |