(CO-99-13) Population Estimates for Counties by Age Group:  July 1, 1991
  
Source:  Population Estimates Program, Population Division, U.S. Census Bureau, Washington, DC  20233
Contact:  Statistical Information Staff, Population Division, U.S. Census Bureau (301-457-2422)
          pop@census.gov (please include a phone number with email correspondence)
  
Internet Release Date:  August 30, 2000

                                        Total      Ages     Ages     Ages     Ages     Ages     Ages     Ages     Ages     Ages
Area Name                          Population       0-4     5-17    18-24    25-44    45-64      16+      21+      65+      85+
                                                                                                                               
    MASSACHUSETTS                     5998652    425936   943610   667773  2028374  1102678  4768670  4362152   830281    94292
Barnstable County                      188319     12222    27748    13108    55883    37093   152109   143332    42265     4409
Berkshire County                       138159      8791    22831    14226    41421    26977   110053   100031    23913     2753
Bristol County                         507112     36624    88742    51337   161854    94334   394935   361062    74221     7753
Dukes County                            11760       847     1902      651     4336     2128     9272     8775     1896      209
Essex County                           670092     50535   110263    62040   224064   127185   525282   484980    96005    10875
Franklin County                         70577      5164    12495     5825    24377    12274    54733    50690    10442     1215
Hampden County                         454182     34911    80109    46972   141787    82366   350448   319337    68037     7619
Hampshire County                       147124      8291    20756    30845    46916    23030   121136   101786    17286     1736
Middlesex County                      1393180     92798   200522   159774   496589   264455  1130531  1038998   179042    20902
Nantucket County                         6123       444      852      433     2432     1135     4953     4709      827      101
Norfolk County                         617750     40595    90739    62104   211155   125328   500400   463336    87829    10264
Plymouth County                        437492     34214    81989    41721   147282    81235   333504   304525    51051     5495
Suffolk County                         648870     45864    84702   103736   233740   101172   531121   478934    79656     9718
Worcester County                       707912     54636   119960    75001   236538   123966   550193   501657    97811    11243


The estimates presented here were produced by a method which is still in a developmental stage.  They
may not be accurate for populations which are very small or have unusual distributions.  These figures
should be used with caution.