Table 7
Residential Mobility – Place-of-Residence in 1975, 1985 & 1995 - Persons 5 Years and Over
1980 - 2000 Decennial Censuses
               
Different Different In
House, House, States Total
County Census Same Same County Outside Lived Population
of Residence Year House County in Calif. Calif. Abroad (Age 5+)
1975-80 492,565 305,667 119,417 79,584 36,338 1,033,571
% of Tot 47.7% 29.6% 11.6% 7.7% 3.5% 100.0%
  1985-90 558,296 333,682 151,517 85,466 54,755 1,183,716
Alameda % of Tot 47.2% 28.2% 12.8% 7.2% 4.6% 100.0%
1995-00 683,794 338,788 175,334 68,993 79,757 1,346,666
  % of Tot 50.8% 25.2% 13.0% 5.1% 5.9% 100.0%
1975-80 283,997 163,648 104,124 47,562 13,727 613,058
% of Tot 46.3% 26.7% 17.0% 7.8% 2.2% 100.0%
Contra 1985-90 353,580 187,693 123,520 54,866 23,841 743,500
Costa % of Tot 47.6% 25.2% 16.6% 7.4% 3.2% 100.0%
1995-00 469,796 212,583 128,191 40,890 32,302 883,762
  % of Tot 53.2% 24.1% 14.5% 4.6% 3.7% 100.0%
1975-80 102,689 45,183 35,656 21,693 6,768 211,989
% of Tot 48.4% 21.3% 16.8% 10.2% 3.2% 100.0%
  1985-90 106,441 50,550 34,315 17,433 7,748 216,487
Marin % of Tot 49.2% 23.4% 15.9% 8.1% 3.6% 100.0%
1995-00 128,347 51,146 31,408 13,535 9,572 234,008
  % of Tot 54.8% 21.9% 13.4% 5.8% 4.1% 100.0%
1975-80 43,125 23,451 18,823 6,058 2,118 93,575
% of Tot 46.1% 25.1% 20.1% 6.5% 2.3% 100.0%
  1985-90 48,936 26,770 18,252 6,101 3,290 103,349
Napa % of Tot 47.4% 25.9% 17.7% 5.9% 3.2% 100.0%
1995-00 61,901 29,152 15,906 5,164 4,672 116,795
  % of Tot 53.0% 25.0% 13.6% 4.4% 4.0% 100.0%
1975-80 310,662 162,469 56,455 66,992 52,473 649,051
% of Tot 47.9% 25.0% 8.7% 10.3% 8.1% 100.0%
San 1985-90 331,346 169,920 70,231 57,871 59,321 688,689
Francisco % of Tot 48.1% 24.7% 10.2% 8.4% 8.6% 100.0%
1995-00 403,806 147,006 75,766 69,329 49,743 745,650
  % of Tot 54.2% 19.7% 10.2% 9.3% 6.7% 100.0%
1975-80 283,600 123,554 86,911 34,805 24,713 553,583
% of Tot 51.2% 22.3% 15.7% 6.3% 4.5% 100.0%
San 1985-90 316,818 139,428 85,034 32,004 32,392 605,676
Mateo % of Tot 52.3% 23.0% 14.0% 5.3% 5.3% 100.0%
1995-00 374,685 136,830 83,311 28,368 39,315 662,509
  % of Tot 56.6% 20.7% 12.6% 4.3% 5.9% 100.0%
1975-80 533,278 374,786 131,034 112,809 55,518 1,207,425
% of Tot 44.2% 31.0% 10.9% 9.3% 4.6% 100.0%
Santa 1985-90 640,431 438,192 119,282 102,964 85,581 1,386,450
Clara % of Tot 46.2% 31.6% 8.6% 7.4% 6.2% 100.0%
1995-00 800,247 437,889 118,895 82,244 124,793 1,564,068
  % of Tot 51.2% 28.0% 7.6% 5.3% 8.0% 100.0%
1975-80 76,031 53,041 49,285 27,393 9,827 215,577
% of Tot 35.3% 24.6% 22.9% 12.7% 4.6% 100.0%
  1985-90 124,447 74,795 68,162 31,738 11,627 310,769
Solano % of Tot 40.0% 24.1% 21.9% 10.2% 3.7% 100.0%
1995-00 182,898 90,512 59,892 20,342 12,658 366,302
  % of Tot 49.9% 24.7% 16.4% 5.6% 3.5% 100.0%
1975-80 120,195 77,450 58,915 18,766 4,239 279,565
% of Tot 43.0% 27.7% 21.1% 6.7% 1.5% 100.0%
  1985-90 159,924 106,876 63,456 21,873 7,726 359,855
Sonoma % of Tot 44.4% 29.7% 17.6% 6.1% 2.1% 100.0%
1995-00 224,549 124,556 52,332 17,402 12,741 431,580
  % of Tot 52.0% 28.9% 12.1% 4.0% 3.0% 100.0%
1975-80 2,246,142 1,329,249 660,620 415,662 205,721 4,857,394
% of Tot 46.2% 27.4% 13.6% 8.6% 4.2% 100.0%
Bay 1985-90 2,640,219 1,527,906 733,769 410,316 286,281 5,598,491
Area % of Tot 47.2% 27.3% 13.1% 7.3% 5.1% 100.0%
1995-00 3,330,023 1,568,462 741,035 346,267 365,553 6,351,340
  % of Tot 52.4% 24.7% 11.7% 5.5% 5.8% 100.0%
Sources:   U.S. Bureau of the Census, Decennial Censuses – 1980, 1990, Summary Tape File 3A;
Census 2000, Demographic Profile #2,3,4