Streamwood is located in Illinois. Streamwood, Illinois has a population of 39,736. Streamwood is more family-centric than the surrounding county with 35.73% of the households containing married families with children. The county average for households married with children is 29.73%.
The median household income in Streamwood, Illinois is $88,824. The median household income for the surrounding county is $72,121 compared to the national median of $69,021. The median age of people living in Streamwood is 38.1 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 12.3 degrees. The average rainfall is approximately 38 inches per year, with 32.8 inches of snow per year.