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Denver-Aurora-Lakewood, CO MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 92,737
  equals Births 174,116
  less Deaths 81,379
Net Migration 164,172
  equals net International Migration 33,919
  plus net Domestic Migration 130,253

The population of the Denver-Aurora-Lakewood, CO MSA changed from 2,554,468 on 2010 to 2,814,330 in 2015 -- a change of 259,862 (10.17%). 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 (164,172) exceeded natural change (92,737); 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
  • Denver-Aurora-Lakewood, CO 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
Adams County, CO08001P0000001 443,680 452,204 460,728 470,590 481,169 491,337 47,657 10.74
Arapahoe County, CO08005P0000001 574,727 586,033 596,383 608,403 619,634 631,096 56,369 9.81
Broomfield County, CO08014P0000001 56,271 57,445 58,949 60,163 61,875 65,065 8,794 15.63
Clear Creek County, CO08019P0000001 9,083 9,056 9,070 9,080 9,171 9,303 220 2.42
Denver County, CO08031P0000001 603,300 619,374 633,976 648,411 663,963 682,545 79,245 13.14
Douglas County, CO08035P0000001 286,964 292,593 298,673 306,368 314,850 322,387 35,423 12.34
Elbert County, CO08039P0000001 23,095 23,267 23,412 23,690 24,170 24,735 1,640 7.10
Gilpin County, CO08047P0000001 5,461 5,445 5,455 5,573 5,722 5,828 367 6.72
Jefferson County, CO08059P0000001 535,625 539,607 545,817 551,731 559,042 565,524 29,899 5.58
Park County, CO08093P0000001 16,262 16,080 16,019 16,077 16,260 16,510 248 1.53
Total P0000001 2,554,468 2,601,104 2,648,482 2,700,086 2,755,856 2,814,330 259,862 10.17
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Adams County, CO08001B0000001 7,224 7,289 6,923 7,168 7,135 7,015 35,530 
Arapahoe County, CO08005B0000001 8,160 7,716 7,721 7,857 8,022 7,952 39,268 
Broomfield County, CO08014B0000001 680 700 689 679 692 714 3,474 
Clear Creek County, CO08019B0000001 56 67 68 67 69 64 335 
Denver County, CO08031B0000001 9,620 9,589 9,221 9,257 9,493 10,104 47,664 
Douglas County, CO08035B0000001 3,684 3,551 3,484 3,426 3,530 3,560 17,551 
Elbert County, CO08039B0000001 132 180 159 161 174 185 859 
Gilpin County, CO08047B0000001 40 46 40 48 37 43 214 
Jefferson County, CO08059B0000001 5,908 5,531 5,547 5,625 5,924 6,064 28,691 
Park County, CO08093B0000001 108 114 110 97 102 107 530 
Total B0000001 35,612 34,783 33,962 34,385 35,178 35,808 174,116 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Adams County, CO08001D0000001 2,664 2,468 2,732 2,796 2,837 2,815 13,648 
Arapahoe County, CO08005D0000001 3,556 3,424 3,371 3,571 3,634 3,812 17,812 
Broomfield County, CO08014D0000001 368 320 331 330 332 339 1,652 
Clear Creek County, CO08019D0000001 128 55 42 57 46 55 255 
Denver County, CO08031D0000001 4,012 4,123 4,124 4,164 4,418 4,648 21,477 
Douglas County, CO08035D0000001 1,040 903 1,040 1,046 1,102 1,179 5,270 
Elbert County, CO08039D0000001 124 109 117 127 127 127 607 
Gilpin County, CO08047D0000001 0 28 27 21 23 21 120 
Jefferson County, CO08059D0000001 3,660 3,735 3,893 4,001 4,276 4,224 20,129 
Park County, CO08093D0000001 28 83 77 75 81 93 409 
Total D0000001 15,580 15,248 15,754 16,188 16,876 17,313 81,379 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Adams County, CO08001NC000001 4,560 4,821 4,191 4,372 4,298 4,200 21,882 
Arapahoe County, CO08005NC000001 4,604 4,292 4,350 4,286 4,388 4,140 21,456 
Broomfield County, CO08014NC000001 312 380 358 349 360 375 1,822 
Clear Creek County, CO08019NC000001 -72 12 26 10 23 9 80 
Denver County, CO08031NC000001 5,608 5,466 5,097 5,093 5,075 5,456 26,187 
Douglas County, CO08035NC000001 2,644 2,648 2,444 2,380 2,428 2,381 12,281 
Elbert County, CO08039NC000001 8 71 42 34 47 58 252 
Gilpin County, CO08047NC000001 40 18 13 27 14 22 94 
Jefferson County, CO08059NC000001 2,248 1,796 1,654 1,624 1,648 1,840 8,562 
Park County, CO08093NC000001 80 31 33 22 21 14 121 
Total NC000001 20,032 19,535 18,208 18,197 18,302 18,495 92,737 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Adams County, CO08001MI000001 304 727 751 847 1,012 1,044 4,381 
Arapahoe County, CO08005MI000001 1,572 2,029 2,265 2,440 2,780 2,817 12,331 
Broomfield County, CO08014MI000001 80 109 99 109 123 122 562 
Clear Creek County, CO08019MI000001 12 15 14 14 17 17 77 
Denver County, CO08031MI000001 1,056 1,788 1,920 2,166 2,516 2,561 10,951 
Douglas County, CO08035MI000001 296 362 425 464 534 543 2,328 
Elbert County, CO08039MI000001 16 11 9 14 17 17 68 
Gilpin County, CO08047MI000001 0 1 2 2 2 2 9 
Jefferson County, CO08059MI000001 412 530 580 639 739 742 3,230 
Park County, CO08093MI000001 8 -2 -4 -4 -4 -4 -18 
Total MI000001 3,756 5,570 6,061 6,691 7,736 7,861 33,919 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Adams County, CO08001MD000001 2,880 2,680 3,510 4,421 5,163 4,864 20,638 
Arapahoe County, CO08005MD000001 4,044 4,502 3,699 5,167 4,125 4,458 21,951 
Broomfield County, CO08014MD000001 1,248 633 1,053 820 1,134 2,719 6,359 
Clear Creek County, CO08019MD000001 84 -71 -25 -18 56 122 64 
Denver County, CO08031MD000001 6,408 8,665 7,245 7,041 7,820 10,526 41,297 
Douglas County, CO08035MD000001 3,028 2,351 3,227 5,062 5,109 4,600 20,349 
Elbert County, CO08039MD000001 32 34 99 231 409 473 1,246 
Gilpin County, CO08047MD000001 40 -35 -5 89 124 101 274 
Jefferson County, CO08059MD000001 924 1,768 3,903 3,318 4,956 3,842 17,787 
Park County, CO08093MD000001 160 -209 -81 97 155 326 288 
Total MD000001 18,848 20,318 22,625 26,228 29,051 32,031 130,253 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Adams County, CO08001MN000001 3,184 3,407 4,261 5,268 6,175 5,908 25,019 
Arapahoe County, CO08005MN000001 5,616 6,531 5,964 7,607 6,905 7,275 34,282 
Broomfield County, CO08014MN000001 1,328 742 1,152 929 1,257 2,841 6,921 
Clear Creek County, CO08019MN000001 96 -56 -11 -4 73 139 141 
Denver County, CO08031MN000001 7,464 10,453 9,165 9,207 10,336 13,087 52,248 
Douglas County, CO08035MN000001 3,324 2,713 3,652 5,526 5,643 5,143 22,677 
Elbert County, CO08039MN000001 48 45 108 245 426 490 1,314 
Gilpin County, CO08047MN000001 40 -34 -3 91 126 103 283 
Jefferson County, CO08059MN000001 1,336 2,298 4,483 3,957 5,695 4,584 21,017 
Park County, CO08093MN000001 168 -211 -85 93 151 322 270 
Total MN000001 22,604 25,888 28,686 32,919 36,787 39,892 164,172 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Adams County, CO08001GQ000001 4,031 4,025 4,035 4,037 4,092 4,094 63 1.56
Arapahoe County, CO08005GQ000001 5,025 4,955 4,891 4,747 4,688 4,671 -354 -7.04
Broomfield County, CO08014GQ000001 282 282 282 282 282 282 0 0.00
Clear Creek County, CO08019GQ000001 84 84 84 84 84 84 0 0.00
Denver County, CO08031GQ000001 15,986 16,178 16,222 16,109 16,202 16,189 203 1.27
Douglas County, CO08035GQ000001 651 640 606 614 614 612 -39 -5.99
Elbert County, CO08039GQ000001 73 73 73 73 73 73 0 0.00
Gilpin County, CO08047GQ000001 49 49 49 49 49 49 0 0.00
Jefferson County, CO08059GQ000001 7,451 7,705 7,634 7,714 7,744 7,738 287 3.85
Park County, CO08093GQ000001 92 92 92 92 92 92 0 0.00
Total GQ000001 33,724 34,083 33,968 33,801 33,920 33,884 160 0.47

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