Fairview Heights Real EstateFairview Heights is located in Illinois. Fairview Heights, Illinois has a population of 16,579. Fairview Heights is less family-centric than the surrounding county with 26.58% of the households containing married families with children. The county average for households married with children is 26.84%. The median household income in Fairview Heights, Illinois is $64,611. The median household income for the surrounding county is $51,103 compared to the national median of $57,652. The median age of people living in Fairview Heights is 41.1 years. Fairview Heights WeatherThe average high temperature in July is 88.9 degrees, with an average low temperature in January of 22.4 degrees. The average rainfall is approximately 42.6 inches per year, with 13.2 inches of snow per year. Fairview Heights MapReal estate near Fairview HeightsNearby CitiesNearby Cities Homes for Sale |