Table 1.  The Counties and the Most Populous Cities and Towns in 2010 in Massachusetts:  2000 and 2010
(For information on confidentiality protection, nonsampling error, and definitions, see http://www.census.gov/prod/cen2010/pl94-171.pdf)
Population rank     Population Change, 2000 to 2010
             
2010 2000   Geographic area 2000 1 2010 Number Percent
             
    Massachusetts………...………………………………………………. 6 349 097 6 547 629  198 532 3.1
             
    COUNTY        
             
1 1   Middlesex County……………………………………………. 1 465 396 1 503 085  37 689 2.6
2 2   Worcester County…………………………………………….  750 963  798 552  47 589 6.3
3 3   Essex County……………………………………………….  723 419  743 159  19 740 2.7
4 4   Suffolk County……………………………………………..  689 807  722 023  32 216 4.7
5 5   Norfolk County………………………………………………  650 308  670 850  20 542 3.2
6 6   Bristol County………………………………………………..  534 678  548 285  13 607 2.5
7 7   Plymouth County……………………………………………  472 822  494 919  22 097 4.7
8 8   Hampden County……………………………………………  456 228  463 490  7 262 1.6
9 9   Barnstable County………………………………………………..  222 230  215 888 - 6 342 -2.9
10 10   Hampshire County……………………………..……………  152 251  158 080  5 829 3.8
11 11   Berkshire County……………………………………………….  134 953  131 219 - 3 734 -2.8
12 12   Franklin County…………………………………………………  71 535  71 372 -  163 -0.2
13 13   Dukes County…………………………………………………  14 987  16 535  1 548 10.3
14 14   Nantucket County…………………………………………………  9 520  10 172   652 6.8
             
    CITY OR TOWN        
             
1 1   Boston city……………………………………………………………..……  589 141  617 594  28 453 4.8
2 2   Worcester city……………………………………………  172 648  181 045  8 397 4.9
3 3   Springfield city………………………………………………  152 082  153 060   978 0.6
4 4   Lowell city…………………………………………………..  105 167  106 519  1 352 1.3
5 5   Cambridge city……………………………………………………..  101 355  105 162  3 807 3.8
6 7   New Bedford city……………………………………………..  93 768  95 072  1 304 1.4
7 6   Brockton city………………………………………………….  94 304  93 810 -  494 -0.5
8 10   Quincy city……………………………………………………  88 025  92 271  4 246 4.8
9 9   Lynn city………………………………………………………  89 050  90 329  1 279 1.4
10 8   Fall River city………………………………………………….  91 938  88 857 - 3 081 -3.4
11 11   Newton city………………………………………………….  83 829  85 146  1 317 1.6
12 13   Lawrence city…………………………………………………..  72 043  76 377  4 334 6.0
13 12   Somerville city………………………………………………….  77 478  75 754 - 1 724 -2.2
14 14   Framingham town………………………………………………..  66 910  68 318  1 408 2.1
15 16   Haverhill city…………………………………………………….  58 969  60 879  1 910 3.2
16 15   Waltham city……………………………………………………….  59 226  60 632  1 406 2.4
17 18   Malden city…………………………………………………..  56 340  59 450  3 110 5.5
18 17   Brookline town……………………………………………….  57 107  58 732  1 625 2.8
19 23   Plymouth town…………………………………………………  51 701  56 468  4 767 9.2
20 20   Medford city…………………………………………………….  55 765  56 173   408 0.7
               
1 Census 2000 counts are as published in Census 2000 reports and thus do not include any changes published subsequently due to boundary changes or to the Count Question Resolution program.
Source:  U.S. Census Bureau, Census 2000 Redistricting Data (Public Law 94-171) Summary File, Table PL1, and 2010 Census Redistricting Data (Public Law 94-171) Summary File, Table P1.