Clark County is a county in the U.S. state of Ohio. As of the 2010 census, the population was 138,333. Its county seat is Springfield. The county was created on March 1, 1818, and was named for General George Rogers Clark, a hero of the American Revolution.
Clark County comprises the Springfield, OH Metropolitan Statistical Area, which is also included in the Dayton-Springfield-Sidney-OH Combined Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 403 square miles (1,040 km²), of which 397 square miles (1,030 km²) is land and 5.1 square miles (13 km²) (1.3%) is water. It is the third-smallest county in Ohio by total area.
As of the 2010 United States Census, there were 138,333 people, 55,244 households, and 36,906 families residing in the county. The population density was 348.0 inhabitants per square mile (134.4/km²). There were 61,419 housing units at an average density of 154.5 per square mile (59.7/km²). The racial makeup of the county was 86.3% white, 8.8% black or African American, 0.6% Asian, 0.3% American Indian, 1.4% from other races, and 2.5% from two or more races. Those of Hispanic or Latino origin made up 2.8% of the population. In terms of ancestry, 25.3% were German, 15.0% were Irish, 13.8% were American, and 10.5% were English.
Of the 55,244 households, 31.1% had children under the age of 18 living with them, 47.5% were married couples living together, 14.1% had a female householder with no husband present, 33.2% were non-families, and 27.7% of all households were made up of individuals. The average household size was 2.45 and the average family size was 2.96. The median age was 40.5 years.
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.