Facts about Middlesex County, Connecticut
Middlesex County is a county in the south central part of the U.S. state of Connecticut. The county was created in May 1785 from portions of Hartford County and New London County.
GeographyThe county has a total area of 439 square miles (1,140 km²), of which 369 square miles (960 km²) is land and 70 square miles (180 km²) (15.9%) is water. It is the smallest county in Connecticut by land area and second-smallest by total area.
DemographicsAs of the 2010 United States Census, there were 165,676 people, 67,202 households, and 43,743 families living in the county. The population density was 448.6 inhabitants per square mile (173.2/km²). There were 74,837 housing units at an average density of 202.6 per square mile (78.2/km²).
Serving Middlesex County, Connecticut

Bio-One services all types of trauma, distressed property, and biohazard scenes in communities throughout New Haven County 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.