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Portland-South Portland, ME MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 1,766
  equals Births 25,000
  less Deaths 23,234
Net Migration 9,963
  equals net International Migration 3,840
  plus net Domestic Migration 6,123

The population of the Portland-South Portland, ME MSA changed from 513,892 on 2010 to 526,295 in 2015 -- a change of 12,403 (2.41%). 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 (9,963) exceeded natural change (1,766); 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.

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
  • Portland-South Portland, ME 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
Cumberland County, ME23005P0000001 281,462 282,758 284,103 285,882 287,875 289,977 8,515 3.03
Sagadahoc County, ME23023P0000001 35,233 35,102 35,114 35,033 35,063 35,149 -84 -0.24
York County, ME23031P0000001 197,197 198,227 199,032 199,375 200,608 201,169 3,972 2.01
Total P0000001 513,892 516,087 518,249 520,290 523,546 526,295 12,403 2.41
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Cumberland County, ME23005B0000001 2,960 2,718 2,695 2,887 2,865 2,951 14,116 
Sagadahoc County, ME23023B0000001 384 326 352 322 327 334 1,661 
York County, ME23031B0000001 1,952 1,817 1,894 1,779 1,866 1,867 9,223 
Total B0000001 5,296 4,861 4,941 4,988 5,058 5,152 25,000 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Cumberland County, ME23005D0000001 2,312 2,455 2,413 2,590 2,542 2,546 12,546 
Sagadahoc County, ME23023D0000001 192 338 306 349 349 379 1,721 
York County, ME23031D0000001 1,568 1,788 1,671 1,757 1,886 1,865 8,967 
Total D0000001 4,072 4,581 4,390 4,696 4,777 4,790 23,234 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Cumberland County, ME23005NC000001 648 263 282 297 323 405 1,570 
Sagadahoc County, ME23023NC000001 192 -12 46 -27 -22 -45 -60 
York County, ME23031NC000001 384 29 223 22 -20 2 256 
Total NC000001 1,224 280 551 292 281 362 1,766 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Cumberland County, ME23005MI000001 520 656 610 645 738 742 3,391 
Sagadahoc County, ME23023MI000001 8 10 19 10 13 13 65 
York County, ME23031MI000001 40 38 67 80 100 99 384 
Total MI000001 568 704 696 735 851 854 3,840 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Cumberland County, ME23005MD000001 -2,100 411 497 683 848 715 3,154 
Sagadahoc County, ME23023MD000001 -460 -118 -54 -80 16 115 -121 
York County, ME23031MD000001 -156 993 544 123 1,052 378 3,090 
Total MD000001 -2,716 1,286 987 726 1,916 1,208 6,123 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Cumberland County, ME23005MN000001 -1,580 1,067 1,107 1,328 1,586 1,457 6,545 
Sagadahoc County, ME23023MN000001 -452 -108 -35 -70 29 128 -56 
York County, ME23031MN000001 -116 1,031 611 203 1,152 477 3,474 
Total MN000001 -2,148 1,990 1,683 1,461 2,767 2,062 9,963 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Cumberland County, ME23005GQ000001 9,190 9,183 9,187 9,172 9,159 9,157 -33 -0.36
Sagadahoc County, ME23023GQ000001 265 265 265 265 264 264 -1 -0.38
York County, ME23031GQ000001 3,105 3,104 3,155 3,178 3,216 3,216 111 3.57
Total GQ000001 12,560 12,552 12,607 12,615 12,639 12,637 77 0.61

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