population in pittsfield,  ma
The 2014 Pittsfield, Massachusetts, population is 44,542. There are 1,101 people per square mile (population density). The median age is 43.2. The US median is 37.2. 43.41% of people in Pittsfield, Massachusetts, are married. 14.32% are divorced. The average household size is 2.18 people. 24.35% of people are married, with children. 23.62% have children, but are single.