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Milwaukee-Waukesha-West Allis, WI MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 34,685
  equals Births 99,858
  less Deaths 65,173
Net Migration -14,552
  equals net International Migration 15,101
  plus net Domestic Migration -29,653

The population of the Milwaukee-Waukesha-West Allis, WI MSA changed from 1,556,715 on 2010 to 1,575,747 in 2015 -- a change of 19,032 (1.22%). 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 (34,685) exceeded net migration (-14,552); natural change 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
  • Milwaukee-Waukesha-West Allis, WI 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
Milwaukee County, WI55079P0000001 948,301 951,697 955,063 957,286 957,913 957,735 9,434 0.99
Ozaukee County, WI55089P0000001 86,371 86,737 87,073 87,138 87,566 87,850 1,479 1.71
Washington County, WI55131P0000001 131,967 132,225 132,649 132,758 133,301 133,674 1,707 1.29
Waukesha County, WI55133P0000001 390,076 390,808 392,710 394,025 395,335 396,488 6,412 1.64
Total P0000001 1,556,715 1,561,467 1,567,495 1,571,207 1,574,115 1,575,747 19,032 1.22
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Milwaukee County, WI55079B0000001 14,384 14,174 14,248 14,002 13,863 13,932 70,219 
Ozaukee County, WI55089B0000001 820 792 811 802 801 802 4,008 
Washington County, WI55131B0000001 1,400 1,348 1,320 1,296 1,363 1,336 6,663 
Waukesha County, WI55133B0000001 3,840 3,805 3,802 3,757 3,813 3,791 18,968 
Total B0000001 20,444 20,119 20,181 19,857 19,840 19,861 99,858 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Milwaukee County, WI55079D0000001 8,048 8,269 8,013 8,266 8,052 7,990 40,590 
Ozaukee County, WI55089D0000001 616 716 751 719 655 723 3,564 
Washington County, WI55131D0000001 1,004 1,017 1,035 1,034 1,063 1,066 5,215 
Waukesha County, WI55133D0000001 3,092 3,058 3,099 3,178 3,216 3,253 15,804 
Total D0000001 12,760 13,060 12,898 13,197 12,986 13,032 65,173 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Milwaukee County, WI55079NC000001 6,336 5,905 6,235 5,736 5,811 5,942 29,629 
Ozaukee County, WI55089NC000001 204 76 60 83 146 79 444 
Washington County, WI55131NC000001 396 331 285 262 300 270 1,448 
Waukesha County, WI55133NC000001 748 747 703 579 597 538 3,164 
Total NC000001 7,684 7,059 7,283 6,660 6,854 6,829 34,685 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Milwaukee County, WI55079MI000001 1,368 1,962 2,196 2,359 2,833 2,856 12,206 
Ozaukee County, WI55089MI000001 52 58 64 72 83 83 360 
Washington County, WI55131MI000001 36 48 50 60 67 66 291 
Waukesha County, WI55133MI000001 288 339 412 453 520 520 2,244 
Total MI000001 1,744 2,407 2,722 2,944 3,503 3,525 15,101 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Milwaukee County, WI55079MD000001 -5,372 -4,197 -5,012 -5,337 -7,951 -8,242 -30,739 
Ozaukee County, WI55089MD000001 -360 277 218 -132 174 124 661 
Washington County, WI55131MD000001 -92 -105 104 -294 213 -58 -140 
Waukesha County, WI55133MD000001 -480 -299 834 15 300 -285 565 
Total MD000001 -6,304 -4,324 -3,856 -5,748 -7,264 -8,461 -29,653 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Milwaukee County, WI55079MN000001 -4,004 -2,235 -2,816 -2,978 -5,118 -5,386 -18,533 
Ozaukee County, WI55089MN000001 -308 335 282 -60 257 207 1,021 
Washington County, WI55131MN000001 -56 -57 154 -234 280 8 151 
Waukesha County, WI55133MN000001 -192 40 1,246 468 820 235 2,809 
Total MN000001 -4,560 -1,917 -1,134 -2,804 -3,761 -4,936 -14,552 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Milwaukee County, WI55079GQ000001 24,489 24,350 24,257 23,991 23,785 24,181 -308 -1.26
Ozaukee County, WI55089GQ000001 1,804 1,826 1,834 1,813 1,898 2,046 242 13.41
Washington County, WI55131GQ000001 1,143 1,142 1,143 1,129 1,134 1,148 5 0.44
Waukesha County, WI55133GQ000001 5,698 5,682 5,750 5,600 5,535 5,419 -279 -4.90
Total GQ000001 33,134 33,000 32,984 32,533 32,352 32,794 -340 -1.03

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