Population of Counties in Massachusetts (2018)

Name 2018 Population Growth Since 2010
Middlesex County1,602,9476.36%
Worcester County826,1163.23%
Suffolk County797,93910.00%
Essex County785,2055.34%
Norfolk County700,3224.06%
Bristol County561,4832.24%
Plymouth County515,1423.88%
Hampden County469,8181.22%
Barnstable County213,444-1.13%
Hampshire County161,8341.60%
Berkshire County126,313-3.79%
Franklin County70,702-0.91%
Dukes County17,3254.55%
Nantucket County11,22910.48%