Pittsfield is a city in Massachusetts, United States. It is the largest city and the county seat of Berkshire County,. It is the main city of the Pittsfield Metropolitan Statistical Area which includes all of Berkshire County. The population was 44,737 at the 2010 census.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Geographic Identifiers: 2010 Demographic Profile Data (G001): Pittsfield city, Massachusetts". U.S. Census Bureau, American Factfinder. Retrieved December 18, 2013.