Facts about Madison County, Iowa
Madison County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 15,679. The county seat is Winterset. Madison County is included in the Des Moines–West Des Moines, IA Metropolitan Statistical Area.
Geography
According to the U.S. Census Bureau, the county has a total area of 562 square miles (1,460 km²), of which 561 square miles (1,450 km²) is land and 1.2 square miles (3.1 km²) (0.2%) is water.
Cities
Serving Madison County, Iowa

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