Schaumburg is a city located in Cook County, Illinois. With a 2020 population of 72,387, it is the 16th largest city in Illinois and the 511th largest city in the United States. Schaumburg is currently declining at a rate of -0.77% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 74,227 in 2010. Schaumburg reached it's highest population of 75,386 in 2000. Spanning over 19 miles, Schaumburg has a population density of 3,750 people per square mile.
The average household income in Schaumburg is $95,168 with a poverty rate of 6.64%. The median rental costs in recent years comes to $1,403 per month, and the median house value is $247,900. The median age in Schaumburg is 38.1 years, 37.2 years for males, and 38.9 years for females. For every 100 females there are 94.0 males.