decontamination and cleanup company in Dayton Ohio

Biohazard, Trauma and Crime Scene Cleanup Services in Darke County, Ohio

Bio-One is always prepared to remedy situations that arise from unexpected events such as death, traumatic injury, and hazardous situations. We deploy our teams quickly so you can focus on all the other necessary arrangements to begin the healing process.

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Facts about Darke County, Ohio

Darke County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 52,959. Its county seat is Greenville. The county was created in 1809 and later organized in 1817. It is named for William Darke, an officer in the Revolution.

Darke County comprises the Greenville, OH Micropolitan Statistical Area, which is also included in the Dayton-Springfield-Sidney, OH Combined Statistical Area.

Notable people included Annie Oakley, famed 19th-century markswoman who performed with Buffalo Bill's Wild West show, who was born in Darke County; and Lucullus Virgil McWhorter, a farmer and frontiersman who studied and wrote about the historical American Indian tribes of West Virginia and Ohio. After moving to Yakima, Washington in 1903, he documented and became an advocate for the contemporary Yakama and Nez Perce peoples. Also, he collected their oral histories. Legendary travel author and broadcaster, Lowell Thomas, was born in Darke County.


According to the U.S. Census Bureau, the county has a total area of 600 square miles (1,600 km²), of which 598 square miles (1,550 km²) is land and 1.7 square miles (4.4 km²) (0.3%) is water.


As of the 2010 United States Census, there were 52,959 people, 20,929 households, and 14,673 families residing in the county. The population density was 88.5 inhabitants per square mile (34.2/km²). There were 22,730 housing units at an average density of 38.0 per square mile (14.7/km²). The racial makeup of the county was 97.8% white, 0.4% black or African American, 0.3% Asian, 0.2% American Indian, 0.4% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 38.9% were German, 11.5% were American, 10.6% were Irish, and 9.0% were English.

Of the 20,929 households, 31.9% had children under the age of 18 living with them, 56.7% were married couples living together, 9.0% had a female householder with no husband present, 29.9% were non-families, and 25.9% of all households were made up of individuals. The average household size was 2.50, and the average family size was 3.00. The median age was 40.8 years.


Serving Darke County, Ohio


Bio-One services all types of trauma, distressed property, and biohazard scenes in communities throughout the Dayton Area. 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.

  • 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.

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