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Chattanooga, TN-GA MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 4,932
  equals Births 31,175
  less Deaths 26,243
Net Migration 13,609
  equals net International Migration 2,909
  plus net Domestic Migration 10,700

The population of the Chattanooga, TN-GA MSA changed from 529,220 on 2010 to 547,776 in 2015 -- a change of 18,556 (3.51%). 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), net migration (13,609) exceeded natural change (4,932); net migration has been the primary contributing factor for the 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
  • Chattanooga, TN-GA 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
Catoosa County, GA13047P0000001 64,038 64,873 65,012 65,343 65,598 66,050 2,012 3.14
Dade County, GA13083P0000001 16,612 16,578 16,539 16,481 16,364 16,264 -348 -2.09
Walker County, GA13295P0000001 68,888 68,617 68,187 68,295 68,261 68,066 -822 -1.19
Hamilton County, TN47065P0000001 337,313 340,918 345,752 349,036 350,800 354,098 16,785 4.98
Marion County, TN47115P0000001 28,234 28,084 28,233 28,328 28,396 28,487 253 0.90
Sequatchie County, TN47153P0000001 14,135 14,280 14,425 14,666 14,778 14,811 676 4.78
Total P0000001 529,220 533,350 538,148 542,149 544,197 547,776 18,556 3.51
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Catoosa County, GA13047B0000001 760 706 777 755 735 716 3,689 
Dade County, GA13083B0000001 88 148 205 155 178 169 855 
Walker County, GA13295B0000001 720 718 736 729 744 739 3,666 
Hamilton County, TN47065B0000001 4,312 4,048 4,118 4,214 4,117 4,171 20,668 
Marion County, TN47115B0000001 276 285 309 279 337 324 1,534 
Sequatchie County, TN47153B0000001 160 155 165 132 149 162 763 
Total B0000001 6,316 6,060 6,310 6,264 6,260 6,281 31,175 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Catoosa County, GA13047D0000001 340 497 538 526 575 565 2,701 
Dade County, GA13083D0000001 116 140 155 181 184 166 826 
Walker County, GA13295D0000001 492 616 688 755 751 719 3,529 
Hamilton County, TN47065D0000001 3,344 3,190 3,324 3,334 3,440 3,395 16,683 
Marion County, TN47115D0000001 400 314 330 366 368 343 1,721 
Sequatchie County, TN47153D0000001 76 149 148 143 176 167 783 
Total D0000001 4,768 4,906 5,183 5,305 5,494 5,355 26,243 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Catoosa County, GA13047NC000001 420 209 239 229 160 151 988 
Dade County, GA13083NC000001 -28 8 50 -26 -6 3 29 
Walker County, GA13295NC000001 228 102 48 -26 -7 20 137 
Hamilton County, TN47065NC000001 968 858 794 880 677 776 3,985 
Marion County, TN47115NC000001 -124 -29 -21 -87 -31 -19 -187 
Sequatchie County, TN47153NC000001 84 6 17 -11 -27 -5 -20 
Total NC000001 1,548 1,154 1,127 959 766 926 4,932 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Catoosa County, GA13047MI000001 36 34 29 32 40 40 175 
Dade County, GA13083MI000001 4 7 7 8 11 11 44 
Walker County, GA13295MI000001 20 3 7 8 11 11 40 
Hamilton County, TN47065MI000001 424 542 451 482 579 589 2,643 
Marion County, TN47115MI000001 0 6 3 4 4 4 21 
Sequatchie County, TN47153MI000001 -4 -5 -3 -2 -2 -2 -14 
Total MI000001 480 587 494 532 643 653 2,909 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Catoosa County, GA13047MD000001 -24 493 -131 64 33 219 678 
Dade County, GA13083MD000001 -52 -44 -96 -32 -136 -99 -407 
Walker County, GA13295MD000001 264 -410 -483 159 19 -168 -883 
Hamilton County, TN47065MD000001 1,912 2,349 3,488 1,911 689 1,777 10,214 
Marion County, TN47115MD000001 132 -109 167 173 117 76 424 
Sequatchie County, TN47153MD000001 -4 118 141 268 122 25 674 
Total MD000001 2,228 2,397 3,086 2,543 844 1,830 10,700 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Catoosa County, GA13047MN000001 12 527 -102 96 73 259 853 
Dade County, GA13083MN000001 -48 -37 -89 -24 -125 -88 -363 
Walker County, GA13295MN000001 284 -407 -476 167 30 -157 -843 
Hamilton County, TN47065MN000001 2,336 2,891 3,939 2,393 1,268 2,366 12,857 
Marion County, TN47115MN000001 132 -103 170 177 121 80 445 
Sequatchie County, TN47153MN000001 -8 113 138 266 120 23 660 
Total MN000001 2,708 2,984 3,580 3,075 1,487 2,483 13,609 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Catoosa County, GA13047GQ000001 459 465 454 448 472 570 111 24.18
Dade County, GA13083GQ000001 991 980 978 1,056 974 963 -28 -2.83
Walker County, GA13295GQ000001 1,399 1,483 1,285 1,298 1,362 1,493 94 6.72
Hamilton County, TN47065GQ000001 9,780 9,921 10,078 10,299 9,995 9,958 178 1.82
Marion County, TN47115GQ000001 250 250 250 250 250 250 0 0.00
Sequatchie County, TN47153GQ000001 188 188 188 188 188 188 0 0.00
Total GQ000001 13,067 13,287 13,233 13,539 13,241 13,422 355 2.72

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