Marquette Heights is located in Illinois. Marquette Heights, Illinois has a population of 2,636. Marquette Heights is less family-centric than the surrounding county with 26.45% of the households containing married families with children. The county average for households married with children is 30.14%.
The median household income in Marquette Heights, Illinois is $61,842. The median household income for the surrounding county is $68,860 compared to the national median of $69,021. The median age of people living in Marquette Heights is 41.6 years.
The average high temperature in July is 85.7 degrees, with an average low temperature in January of 16 degrees. The average rainfall is approximately 37.7 inches per year, with 24.4 inches of snow per year.