Sterling Real EstateSterling is located in Illinois. Sterling, Illinois has a population of 14,919. Sterling is less family-centric than the surrounding county with 20.55% of the households containing married families with children. The county average for households married with children is 25.42%. The median household income in Sterling, Illinois is $47,778. The median household income for the surrounding county is $59,812 compared to the national median of $69,021. The median age of people living in Sterling is 42.7 years. Sterling WeatherThe average high temperature in July is 83.8 degrees, with an average low temperature in January of 12 degrees. The average rainfall is approximately 37.9 inches per year, with 28.6 inches of snow per year. Sterling MapReal estate near SterlingNearby CitiesNearby Cities Homes for Sale |