Massachusetts County Map

Counties of Massachusetts

S.N.CountyFIPS CodeCounty SeatEst.PopulationArea (sq mi)Area (km2)
1Barnstable County1Barnstable1685212,9903961,026
2Berkshire County3Pittsfield1761124,9449312,411
3Bristol County5Taunton1685565,2175561,440
4Dukes County7Edgartown169517,332104269
5Essex County9Salem, Lawrence1643789,0344981,290
6Franklin County11Greenfield181170,1807021,818
7Hampden County13Springfield1812466,3726181,601
8Hampshire County15Northampton1662160,8305291,370
9Middlesex County17Lowell, Cambridge16431,611,6998242,134
10Nantucket County19Nantucket169511,39948124
11Norfolk County21Dedham1793706,7754001,036
12Plymouth County23Brockton, Plymouth1685521,2026611,712
13Suffolk County25Boston1643803,90758150
14Worcester County27Worcester1731830,6221,5133,919