Rockford, IL MSA Regional Analytics
-- Population & Components of Change; 2010-15
Components of Change: 7/1/2010-6/30/2015
The population of the Rockford, IL MSA changed from 349,224 on 2010 to 340,663 in 2015 -- a change of -8,561 (-2.45%). This report provides a summary of how and why the population has changed during this period and what these factors suggest about future change.| Natural Change | 5,348 |
| equals Births | 20,814 |
| less Deaths | 15,466 |
| Net Migration | -13,699 |
| equals net International Migration | 1,956 |
| plus net Domestic Migration | -15,655 |
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 (5,348) was not enough to offset outbound net migration (-13,699); 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
• Rockford, IL 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 Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Chg 10-15 | %Chg 10-15 |
| Boone County, IL | 17007 | P0000001 | 54,123 | 54,195 | 53,838 | 53,844 | 53,793 | 53,585 | -538 | -0.99 |
| Winnebago County, IL | 17201 | P0000001 | 295,101 | 293,669 | 291,971 | 290,902 | 288,574 | 287,078 | -8,023 | -2.72 |
| Total | P0000001 | 349,224 | 347,864 | 345,809 | 344,746 | 342,367 | 340,663 | -8,561 | -2.45 | |
| Table 2. Births | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Boone County, IL | 17007 | B0000001 | 580 | 610 | 615 | 528 | 571 | 574 | 2,898 | |
| Winnebago County, IL | 17201 | B0000001 | 3,564 | 3,776 | 3,558 | 3,619 | 3,471 | 3,492 | 17,916 | |
| Total | B0000001 | 4,144 | 4,386 | 4,173 | 4,147 | 4,042 | 4,066 | 20,814 | ||
| Table 3. Deaths | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Boone County, IL | 17007 | D0000001 | 460 | 344 | 365 | 402 | 359 | 339 | 1,809 | |
| Winnebago County, IL | 17201 | D0000001 | 2,044 | 2,762 | 2,625 | 2,820 | 2,790 | 2,660 | 13,657 | |
| Total | D0000001 | 2,504 | 3,106 | 2,990 | 3,222 | 3,149 | 2,999 | 15,466 | ||
| Table 4. Natural Change | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Boone County, IL | 17007 | NC000001 | 120 | 266 | 250 | 126 | 212 | 235 | 1,089 | |
| Winnebago County, IL | 17201 | NC000001 | 1,520 | 1,014 | 933 | 799 | 681 | 832 | 4,259 | |
| Total | NC000001 | 1,640 | 1,280 | 1,183 | 925 | 893 | 1,067 | 5,348 | ||
| Table 5. International Migration | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Boone County, IL | 17007 | MI000001 | -8 | -10 | -21 | -17 | -10 | -6 | -64 | |
| Winnebago County, IL | 17201 | MI000001 | 324 | 367 | 365 | 395 | 445 | 448 | 2,020 | |
| Total | MI000001 | 316 | 357 | 344 | 378 | 435 | 442 | 1,956 | ||
| Table 6. Domestic Migration | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Boone County, IL | 17007 | MD000001 | -288 | -167 | -596 | -135 | -236 | -393 | -1,527 | |
| Winnebago County, IL | 17201 | MD000001 | -2,568 | -2,741 | -3,030 | -2,338 | -3,403 | -2,616 | -14,128 | |
| Total | MD000001 | -2,856 | -2,908 | -3,626 | -2,473 | -3,639 | -3,009 | -15,655 | ||
| Table 7. Net Migration | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Sum11-15 | |
| Boone County, IL | 17007 | MN000001 | -296 | -177 | -617 | -152 | -246 | -399 | -1,591 | |
| Winnebago County, IL | 17201 | MN000001 | -2,244 | -2,374 | -2,665 | -1,943 | -2,958 | -2,168 | -12,108 | |
| Total | MN000001 | -2,540 | -2,551 | -3,282 | -2,095 | -3,204 | -2,567 | -13,699 | ||
| Table 8. Group Quarters | ||||||||||
| Area Name | GeoID | Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Chg10-15 | %Chg 10-15 |
| Boone County, IL | 17007 | GQ000001 | 310 | 310 | 310 | 310 | 310 | 310 | 0 | 0.00 |
| Winnebago County, IL | 17201 | GQ000001 | 4,685 | 4,709 | 4,714 | 4,716 | 4,717 | 4,716 | 31 | 0.66 |
| Total | GQ000001 | 4,995 | 5,019 | 5,024 | 5,026 | 5,027 | 5,026 | 31 | 0.62 |
Source: developed by ProximityOne based on Census Bureau and other data.
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