The county town of Suffolk is Ipswich, a 7-letter word. Ipswich is a historic port town located in the East of England, on the estuary of the River Orwell. It is the oldest continuously-inhabited town in England, having been founded by the Anglo-Saxons in the 6th century. Ipswich is the county town of Suffolk and is known for its medieval architecture, including the iconic Christchurch Mansion.