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Hartford-West Hartford-East Hartford, CT MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 8,775
  equals Births 60,251
  less Deaths 51,476
Net Migration -9,910
  equals net International Migration 27,289
  plus net Domestic Migration -37,199

The population of the Hartford-West Hartford-East Hartford, CT MSA changed from 1,214,139 on 2010 to 1,211,324 in 2015 -- a change of -2,815 (-0.23%). 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 (8,775) was not enough to offset outbound net migration (-9,910); outbound net migration 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.

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Related Sections
  • Hartford-West Hartford-East Hartford, 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
Hartford County, CT09003P0000001 895,303 896,928 897,149 897,926 896,871 895,841 538 0.06
Middlesex County, CT09007P0000001 165,628 166,198 165,508 165,301 164,757 164,063 -1,565 -0.94
Tolland County, CT09013P0000001 153,208 153,069 151,934 151,722 151,597 151,420 -1,788 -1.17
Total P0000001 1,214,139 1,216,195 1,214,591 1,214,949 1,213,225 1,211,324 -2,815 -0.23
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Hartford County, CT09003B0000001 9,816 9,732 9,482 9,390 9,397 9,425 47,426 
Middlesex County, CT09007B0000001 1,424 1,535 1,477 1,364 1,389 1,384 7,149 
Tolland County, CT09013B0000001 1,348 1,183 1,125 1,125 1,139 1,104 5,676 
Total B0000001 12,588 12,450 12,084 11,879 11,925 11,913 60,251 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Hartford County, CT09003D0000001 7,268 7,928 7,748 7,864 7,870 7,945 39,355 
Middlesex County, CT09007D0000001 1,380 1,458 1,428 1,490 1,449 1,413 7,238 
Tolland County, CT09013D0000001 1,144 1,007 942 984 987 963 4,883 
Total D0000001 9,792 10,393 10,118 10,338 10,306 10,321 51,476 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Hartford County, CT09003NC000001 2,548 1,804 1,734 1,526 1,527 1,480 8,071 
Middlesex County, CT09007NC000001 44 77 49 -126 -60 -29 -89 
Tolland County, CT09013NC000001 204 176 183 141 152 141 793 
Total NC000001 2,796 2,057 1,966 1,541 1,619 1,592 8,775 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Hartford County, CT09003MI000001 3,584 4,491 4,182 4,419 5,201 5,206 23,499 
Middlesex County, CT09007MI000001 380 363 364 382 448 447 2,004 
Tolland County, CT09013MI000001 276 327 318 341 401 399 1,786 
Total MI000001 4,240 5,181 4,864 5,142 6,050 6,052 27,289 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Hartford County, CT09003MD000001 -724 -4,514 -5,673 -4,701 -7,750 -7,292 -29,930 
Middlesex County, CT09007MD000001 -608 234 -1,114 -433 -823 -1,073 -3,209 
Tolland County, CT09013MD000001 1,532 -584 -1,672 -650 -587 -567 -4,060 
Total MD000001 200 -4,864 -8,459 -5,784 -9,160 -8,932 -37,199 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Hartford County, CT09003MN000001 2,860 -23 -1,491 -282 -2,549 -2,086 -6,431 
Middlesex County, CT09007MN000001 -228 597 -750 -51 -375 -626 -1,205 
Tolland County, CT09013MN000001 1,808 -257 -1,354 -309 -186 -168 -2,274 
Total MN000001 4,440 317 -3,595 -642 -3,110 -2,880 -9,910 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Hartford County, CT09003GQ000001 29,055 28,522 27,492 27,620 27,131 26,881 -2,174 -7.48
Middlesex County, CT09007GQ000001 5,099 5,173 5,058 4,922 4,856 4,823 -276 -5.41
Tolland County, CT09013GQ000001 16,566 16,423 15,364 15,516 15,690 15,718 -848 -5.12
Total GQ000001 50,720 50,118 47,914 48,058 47,677 47,422 -3,298 -6.50

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