Calais is a community located in Washington County, in the state of Maine (ME), United States. Nestled in the New England division of the North-east region, it covers an area of 34.0 square miles (88.0 km²) and sits at an elevation of 19 ft. With a population of approximately 3,447 residents, Calais offers a peaceful, rural atmosphere.
The town's population is composed of about 47.29% males and 52.71% females, and it has a population density of 101.38 people per square mile (39.14/km²). Calais lies at a latitude of 45.17 and a longitude of -67.24, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (4.1%), followed by English (33%), German (0%), and Scotch-Irish (3.9%) heritage. The town is identified by the ZIP code 04619.