Schaumburg is a village in Cook County and DuPage County, Illinois. As of the 2000 census, the village had a total population of 75,386. As of 2005, the population slightly dropped to 72,690 according to the Census Bureau. A special census conducted by Schaumburg in 2007 shows it had actually increased to 75,936. Schaumburg apartments for rent comparison page shows most up to date rent information on Schaumburg apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.