Of eight counties in the Constitution State, Hartford County is fifth in terms of its size (750 square miles). Hartford County is in River Valley Connecticut. The total value of nearly 1,000 acres of ranches recently listed for sale in Hartford County, Connecticut, was almost $1 million. Browse all Hartford County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Hartford County is house.