Marquette Heights is located in Illinois. Marquette Heights, Illinois has a population of 2,557. Marquette Heights is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 28%.
The median household income in Marquette Heights, Illinois is $67,292. The median household income for the surrounding county is $64,032 compared to the national median of $66,222. The median age of people living in Marquette Heights is 40.9 years.
The average high temperature in July is 85.7 degrees, with an average low temperature in January of 14.3 degrees. The annual precipitation is 36.03.