Massachusetts URL: https://knowledge.ivjn.us/en/places/massachusetts.html Massachusetts is a state of the United States with FIPS code 25 and capital Boston. ## Administrative divisions Massachusetts is a state of the United States with FIPS state code 25[^uscb2023]. Below the state level are counties (or independent cities), then municipalities and neighborhoods[^uscb2023]. ## Basic facts - FIPS state code: 25[^uscb2023] - Capital: Boston[^enwiki] - Population: about 7,001,399 (2023 estimate)[^uscb2023] - Area: 27,336 km2[^enwiki] - Admitted to the Union: 1788[^enwiki] - Time zone: Eastern Time (UTC-5/-4)[^enwiki] - ISO 3166-2: US-MA[^enwiki] ## Parent division Located in [United States](https://knowledge.ivjn.us/en/places/united-states.html). ## Subdivisions Major counties: [Middlesex County](https://knowledge.ivjn.us/en/places/ma-middlesex-county.html), [Suffolk County](https://knowledge.ivjn.us/en/places/ma-suffolk-county.html), [Worcester County](https://knowledge.ivjn.us/en/places/ma-worcester-county.html), [Essex County](https://knowledge.ivjn.us/en/places/ma-essex-county.html), [Norfolk County](https://knowledge.ivjn.us/en/places/ma-norfolk-county.html). Major cities: [Boston](https://knowledge.ivjn.us/en/places/ma-boston.html), [Worcester](https://knowledge.ivjn.us/en/places/ma-worcester.html), [Springfield](https://knowledge.ivjn.us/en/places/ma-springfield.html), [Cambridge](https://knowledge.ivjn.us/en/places/ma-cambridge.html). Updated: 2026-10-29 Relations: - Located in: United States https://knowledge.ivjn.us/en/places/united-states.html - Contains places: Suffolk County https://knowledge.ivjn.us/en/places/ma-suffolk-county.html - Contains places: Middlesex County https://knowledge.ivjn.us/en/places/ma-middlesex-county.html - Contains places: Worcester County https://knowledge.ivjn.us/en/places/ma-worcester-county.html - Contains places: Essex County https://knowledge.ivjn.us/en/places/ma-essex-county.html - Contains places: Norfolk County https://knowledge.ivjn.us/en/places/ma-norfolk-county.html - Contains places: Boston https://knowledge.ivjn.us/en/places/ma-boston.html - Contains places: Worcester https://knowledge.ivjn.us/en/places/ma-worcester.html - Contains places: Springfield https://knowledge.ivjn.us/en/places/ma-springfield.html - Contains places: Cambridge https://knowledge.ivjn.us/en/places/ma-cambridge.html - Contains places: Barnstable County https://knowledge.ivjn.us/en/places/ma-barnstable-county.html Mentioned in: - Aberdeen https://knowledge.ivjn.us/en/places/ma-aberdeen.html - Abington https://knowledge.ivjn.us/en/places/ma-abington.html - Acton https://knowledge.ivjn.us/en/places/ma-acton.html - Acushnet https://knowledge.ivjn.us/en/places/ma-acushnet.html - Acushnet Center https://knowledge.ivjn.us/en/places/ma-acushnet-center.html - Adams https://knowledge.ivjn.us/en/places/ma-adams.html - Agawam https://knowledge.ivjn.us/en/places/ma-agawam.html - Alford https://knowledge.ivjn.us/en/places/ma-alford.html - Allston https://knowledge.ivjn.us/en/places/ma-allston.html - Allston/Brighton https://knowledge.ivjn.us/en/places/ma-allston-brighton.html Sources: - Massachusetts (Wikipedia) https://en.wikipedia.org/wiki/Massachusetts - U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html