Dorchester is the residential and commercial core of the municipality of Thames Centre, located in Southwestern Ontario, Canada, a few kilometres directly east from the city of London. According to the Canada 2006 Census, the town has a population of 9,329.The local arena recently underwent a 10 million-dollar expansion and opened on November 2, 2010. This expansion added a second NHL-sized ice pad, a gymnasium, and many other facilities to go along with upgrades to the existing part. It is now home to the Dorchester Dolphins Jr. C team. Much of the funds raised were done by local events such as Raise the Roof and TC Rocks, an outdoor concert.