Calais, Maine is located in Eastern Washington County and is set on the Canadian border and the St. Croix River. Calais has a longstanding friendship with St. Stephen, New Brunswick, and there are three border crossings from Calais to St. Stephen.
The Calais economy is primarily made up of retail, service, and construction. Calais is known as being a city of commerce and is the primary shopping center of eastern Washington County and Charlotte County.
Calais currently houses 3,123 residents. The regional population is 15,000.