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Worcester, MA-CT MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 11,063
  equals Births 49,377
  less Deaths 38,314
Net Migration 6,058
  equals net International Migration 19,716
  plus net Domestic Migration -13,658

The population of the Worcester, MA-CT MSA changed from 918,934 on 2010 to 935,536 in 2015 -- a change of 16,602 (1.81%). This report provides a summary of how and why the population has changed during this period and what these factors suggest about future change.

Primary Contributing Factors to Change
The primary contributing factors resulting in population change are 1) natural change (births less deaths) and/or 2) net migration. Eight tables are presented below providing annual data for each component county of the metro and metro summary. The tables provide data on the total population, births, deaths, natural change (births less deaths), international migration, domestic migration and net migration.

From 2010 to 2015 (7/1/2010-6/30/2015), natural change (11,063) exceeded net migration (6,058); natural change has been the primary contributing factor for the total metro population change. Examine the metro by county tables below to learn about how each county contributes to the metro population growth or decline.

Data Analytics Lab Sessions
Join in the weekly Data Analytics Lab sessions (Tuesdays, 3:00 pm ET) where we review demographic-economic characteristics and patterns for wide-ranging geography and updates/extensions to data provided here. No fee, no registration, see connectivity details.

Related Sections
  • Worcester, MA-CT MSA S&O Report
  • State of the States -- all states interactive table
  • Metro S&O Reports -- all metros interactive table
  • CountyTrends 2010-2015 -- all counties interactive table
  • CountyTrends -- multi-sourced county data
  • Regional Data Analytics Main

Table 1. Population          
Area NameGeoIDItem201020112012201320142015Chg 10-15%Chg 10-15
Windham County, CT09015P0000001 118,593 118,418 117,942 117,586 116,830 116,573 -2,020 -1.70
Worcester County, MA25027P0000001 800,341 803,880 806,313 810,546 814,972 818,963 18,622 2.33
Total P0000001 918,934 922,298 924,255 928,132 931,802 935,536 16,602 1.81
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Windham County, CT09015B0000001 1,160 1,194 1,189 1,181 1,117 1,132 5,813 
Worcester County, MA25027B0000001 9,060 8,808 8,712 8,582 8,710 8,752 43,564 
Total B0000001 10,220 10,002 9,901 9,763 9,827 9,884 49,377 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Windham County, CT09015D0000001 988 984 984 1,001 934 958 4,861 
Worcester County, MA25027D0000001 5,932 6,603 6,495 6,776 6,764 6,815 33,453 
Total D0000001 6,920 7,587 7,479 7,777 7,698 7,773 38,314 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Windham County, CT09015NC000001 172 210 205 180 183 174 952 
Worcester County, MA25027NC000001 3,128 2,205 2,217 1,806 1,946 1,937 10,111 
Total NC000001 3,300 2,415 2,422 1,986 2,129 2,111 11,063 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Windham County, CT09015MI000001 168 297 265 256 329 332 1,479 
Worcester County, MA25027MI000001 2,376 3,246 3,322 3,500 4,088 4,081 18,237 
Total MI000001 2,544 3,543 3,587 3,756 4,417 4,413 19,716 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Windham County, CT09015MD000001 300 -657 -956 -806 -1,260 -769 -4,448 
Worcester County, MA25027MD000001 1,700 -1,631 -3,106 -1,190 -1,045 -2,238 -9,210 
Total MD000001 2,000 -2,288 -4,062 -1,996 -2,305 -3,007 -13,658 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Windham County, CT09015MN000001 468 -360 -691 -550 -931 -437 -2,969 
Worcester County, MA25027MN000001 4,076 1,615 216 2,310 3,043 1,843 9,027 
Total MN000001 4,544 1,255 -475 1,760 2,112 1,406 6,058 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Windham County, CT09015GQ000001 4,948 4,900 4,963 4,917 4,815 4,818 -130 -2.63
Worcester County, MA25027GQ000001 27,901 28,324 27,943 28,148 29,004 29,008 1,107 3.97
Total GQ000001 32,849 33,224 32,906 33,065 33,819 33,826 977 2.97

Source: developed by ProximityOne based on Census Bureau and other data.
  -- http://proximityone.com (888.364.7656)