Biohazard, Trauma and Crime Scene Cleanup Services in
DeKalb County, Illinois

Facts About Dekalb County, Illinois

DeKalb County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 105,160. Its county seat is Sycamore. DeKalb County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.


According to the U.S. Census Bureau, the county has a total area of 635 square miles (1,640 km²), of which 631 square miles (1,630 km²) is land and 3.4 square miles (8.8 km²) (0.5%) is water.


As of the 2010 United States Census, there were 105,160 people, 38,484 households, and 23,781 families residing in the county. The population density was 166.6 inhabitants per square mile (64.3/km²). There were 41,079 housing units at an average density of 65.1 per square mile (25.1/km²). The racial makeup of the county was 85.1% white, 6.4% black or African American, 2.3% Asian, 0.3% American Indian, 3.9% from other races, and 2.0% from two or more races. Those of Hispanic or Latino origin made up 10.1% of the population. In terms of ancestry, 32.6% were German, 17.5% were Irish, 8.7% were English, 7.0% were Polish, 6.4% were Italian, 6.3% were Swedish, and 3.8% were American.

Bio-One services all types of trauma, distressed property, and biohazard scenes in communities throughout Illinois. We partner with local authorities, communities, emergency services personnel, victim services groups, hoarding task forces, apartment complexes, insurance companies and others to provide the most efficient and superior service possible.

We are your crime scene cleaners dedicated to assisting law enforcement, public service agencies and property owners/managers in restoring property that has been contaminated as a result of crime, disaster or misuse.

Contact Us

+1 (708) 476-4763 (Click to Call)
  • We have fielded thousands of calls and recovered just about any situation out there in a professional and compassionate matter.
  • We are Licensed, Bonded, and Insured.
  • We maintain strict adherence to OSHA rules and regulations to ensure the safety of our workers, the public, and of you and your family.
  • We are proud to have a great working relationship with the Police, Fire, and most Insurance Agencies.

Areas We Serve

Serving Dekalb County, Illinois