(CO-99-1) County Population Estimates for July 1, 1999 and Population Change for July 1, 1998 to July 1, 1999 Source: Population Estimates Program, Population Division, U.S. Census Bureau, Washington, DC 20233 Contact: Demographic Call Center Staff, 1-866-758-1060 Internet Release Date: March 9, 2000 Numeric Percent Population Population 7/1/99 7/1/98 Change Change FIPS State/County Code and Area Name Estimate Estimate 1998-99 1998-99 25 Massachusetts...................... 6,175,169 6,144,407 30,762 0.5 25001 Barnstable County, MA.............. 212,519 208,477 4,042 1.9 25003 Berkshire County, MA............... 132,218 132,839 -621 -0.5 25005 Bristol County, MA................. 520,258 516,975 3,283 0.6 25007 Dukes County, MA................... 14,048 13,852 196 1.4 25009 Essex County, MA................... 704,407 700,370 4,037 0.6 25011 Franklin County, MA................ 70,806 70,626 180 0.3 25013 Hampden County, MA................. 438,279 439,336 -1,057 -0.2 25015 Hampshire County, MA............... 150,892 150,344 548 0.4 25017 Middlesex County, MA............... 1,426,606 1,422,465 4,141 0.3 25019 Nantucket County, MA............... 8,206 7,891 315 4.0 25021 Norfolk County, MA................. 643,580 642,089 1,491 0.2 25023 Plymouth County, MA................ 473,026 467,041 5,985 1.3 25025 Suffolk County, MA................. 641,695 641,333 362 0.1 25027 Worcester County, MA............... 738,629 730,769 7,860 1.1