Fairview Heights is located in Illinois. Fairview Heights, Illinois has a population of 16,920. Fairview Heights is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 28%.
The median household income in Fairview Heights, Illinois is $62,223. The median household income for the surrounding county is $59,624 compared to the national median of $66,222. The median age of people living in Fairview Heights is 40.6 years.
The average high temperature in July is 89.17 degrees, with an average low temperature in January of 21.09 degrees. The annual precipitation is 39.83.