Chilmark is a community located in Dukes County, in the state of Massachusetts (MA), United States. Nestled in the New England division of the North-east region, it covers an area of 19.1 square miles (49.0 km²) and sits at an elevation of 91 ft. With a population of approximately 843 residents, Chilmark offers a peaceful, rural atmosphere.
The town's population is composed of about 48.99% males and 51.01% females, and it has a population density of 44.14 people per square mile (17.04/km²). Chilmark lies at a latitude of 41.35 and a longitude of -70.74, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (7.7%), followed by English (31.2%), German (15.9%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 02535.