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San Francisco-Oakland-Hayward, CA MSA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 112,575
  equals Births 260,023
  less Deaths 147,448
Net Migration 203,928
  equals net International Migration 144,982
  plus net Domestic Migration 58,946

The population of the San Francisco-Oakland-Hayward, CA MSA changed from 4,345,364 on 2010 to 4,656,132 in 2015 -- a change of 310,768 (7.15%). 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 (203,928) exceeded natural change (112,575); 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
  • San Francisco-Oakland-Hayward, CA 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
Alameda County, CA06001P0000001 1,513,754 1,533,052 1,556,952 1,583,845 1,612,850 1,638,215 124,461 8.22
Contra Costa County, CA06013P0000001 1,052,921 1,066,636 1,079,290 1,095,959 1,111,710 1,126,745 73,824 7.01
Marin County, CA06041P0000001 252,903 255,403 256,021 258,552 260,550 261,221 8,318 3.29
San Francisco County, CA06075P0000001 805,813 816,231 829,517 840,715 852,537 864,816 59,003 7.32
San Mateo County, CA06081P0000001 719,973 729,435 740,645 750,109 758,333 765,135 45,162 6.27
Total P0000001 4,345,364 4,400,757 4,462,425 4,529,180 4,595,980 4,656,132 310,768 7.15
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Alameda County, CA06001B0000001 19,508 19,219 18,972 19,466 19,654 19,996 97,307 
Contra Costa County, CA06013B0000001 12,044 12,335 11,941 12,245 12,192 12,534 61,247 
Marin County, CA06041B0000001 2,352 2,384 2,327 2,322 2,310 2,290 11,633 
San Francisco County, CA06075B0000001 8,484 8,899 8,782 9,100 8,844 9,059 44,684 
San Mateo County, CA06081B0000001 9,140 9,141 9,012 9,068 8,897 9,034 45,152 
Total B0000001 51,528 51,978 51,034 52,201 51,897 52,913 260,023 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Alameda County, CA06001D0000001 8,580 9,072 9,205 9,619 9,955 10,261 48,112 
Contra Costa County, CA06013D0000001 6,956 7,261 6,979 7,259 7,665 7,902 37,066 
Marin County, CA06041D0000001 1,892 1,831 1,873 1,893 1,888 1,862 9,347 
San Francisco County, CA06075D0000001 5,068 5,758 5,558 5,774 5,941 6,079 29,110 
San Mateo County, CA06081D0000001 4,436 4,557 4,666 4,727 4,887 4,976 23,813 
Total D0000001 26,932 28,479 28,281 29,272 30,336 31,080 147,448 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Alameda County, CA06001NC000001 10,928 10,147 9,767 9,847 9,699 9,735 49,195 
Contra Costa County, CA06013NC000001 5,088 5,074 4,962 4,986 4,527 4,632 24,181 
Marin County, CA06041NC000001 460 553 454 429 422 428 2,286 
San Francisco County, CA06075NC000001 3,416 3,141 3,224 3,326 2,903 2,980 15,574 
San Mateo County, CA06081NC000001 4,704 4,584 4,346 4,341 4,010 4,058 21,339 
Total NC000001 24,596 23,499 22,753 22,929 21,561 21,833 112,575 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Alameda County, CA06001MI000001 8,664 10,510 10,304 11,324 12,869 12,871 57,878 
Contra Costa County, CA06013MI000001 3,092 3,939 3,729 4,127 4,775 4,792 21,362 
Marin County, CA06041MI000001 720 820 718 802 937 944 4,221 
San Francisco County, CA06075MI000001 5,884 6,946 6,777 7,444 8,483 8,476 38,126 
San Mateo County, CA06081MI000001 3,568 4,296 4,112 4,560 5,212 5,215 23,395 
Total MI000001 21,928 26,511 25,640 28,257 32,276 32,298 144,982 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Alameda County, CA06001MD000001 -5,748 -554 3,845 5,879 7,091 3,481 19,742 
Contra Costa County, CA06013MD000001 6,512 4,942 3,970 6,923 6,769 5,409 28,013 
Marin County, CA06041MD000001 796 1,297 -548 1,311 818 -434 2,444 
San Francisco County, CA06075MD000001 -6,652 250 3,198 952 291 1,720 6,411 
San Mateo County, CA06081MD000001 -2,272 947 2,766 1,057 -811 -1,623 2,336 
Total MD000001 -7,364 6,882 13,231 16,122 14,158 8,553 58,946 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Alameda County, CA06001MN000001 2,916 9,956 14,149 17,203 19,960 16,352 77,620 
Contra Costa County, CA06013MN000001 9,604 8,881 7,699 11,050 11,544 10,201 49,375 
Marin County, CA06041MN000001 1,516 2,117 170 2,113 1,755 510 6,665 
San Francisco County, CA06075MN000001 -768 7,196 9,975 8,396 8,774 10,196 44,537 
San Mateo County, CA06081MN000001 1,296 5,243 6,878 5,617 4,401 3,592 25,731 
Total MN000001 14,564 33,393 38,871 44,379 46,434 40,851 203,928 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Alameda County, CA06001GQ000001 37,426 37,386 36,518 36,529 37,088 36,752 -674 -1.80
Contra Costa County, CA06013GQ000001 10,605 10,768 10,765 10,707 10,555 10,784 179 1.69
Marin County, CA06041GQ000001 9,194 9,336 8,589 8,230 8,336 8,347 -847 -9.21
San Francisco County, CA06075GQ000001 24,195 24,097 23,968 23,971 24,010 23,578 -617 -2.55
San Mateo County, CA06081GQ000001 8,872 8,860 8,794 8,851 8,849 8,855 -17 -0.19
Total GQ000001 90,292 90,447 88,634 88,288 88,838 88,316 -1,976 -2.19

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