Chilmark town represents an area within the Chilmark town subdivision of the Dukes County (Massachusetts),
which is not part of any official city, town or other place of the Chilmark town subdivision.
This area is populated by approximatelly 866 people and occupies the area of 101 square miles - 82 square miles represent water areas.
Racial makeup of the population is : White (96.42%), Black or African American (1.73%) and Two or More races (1.04%).
The male part of the population has a median age of 50 and the “median female” is 52 years old.
Statistical data for the Chilmark town based on the 2010 U.S. Census