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San Francisco Bay Area County & Regional Population - 1978-2009

Population as of January 1 of Year
County San Francisco San Mateo Santa Clara Alameda Contra Costa Solano Napa Sonoma Marin Region
1978 683,000 583,100 1,243,200 1,110,000 625,300 207,700 96,300 277,900 223,700 5,050,200
1979 680,100 584,400 1,264,300 1,104,100 638,200 218,600 98,100 288,100 223,400 5,099,300
1980 679,400 586,800 1,287,300 1,105,700 651,600 230,500 98,800 296,700 223,000 5,159,800
1981 683,800 584,400 1,304,700 1,113,500 659,600 241,700 99,100 305,400 222,600 5,214,800
1982 694,600 589,400 1,324,600 1,129,900 671,600 250,500 100,300 311,800 223,800 5,296,500
1983 698,300 596,300 1,344,300 1,148,200 684,700 257,800 101,100 317,700 224,500 5,372,900
1984 707,200 602,700 1,363,300 1,167,500 694,400 263,700 101,700 323,500 224,800 5,448,800
1985 725,600 614,100 1,390,900 1,187,000 711,600 271,000 103,500 331,900 226,200 5,561,800
1986 736,000 614,000 1,398,900 1,201,400 720,900 281,100 104,000 339,400 225,900 5,621,600
1987 742,300 620,100 1,415,100 1,218,400 736,100 292,500 104,900 348,800 227,000 5,705,200
1988 741,300 627,500 1,431,600 1,241,600 753,500 303,500 105,800 360,300 228,400 5,793,500
1989 731,700 632,800 1,440,900 1,252,400 775,500 321,100 107,600 371,600 231,900 5,865,500
1990 724,000 647,400 1,493,800 1,274,700 797,600 335,200 109,900 384,700 229,900 5,997,200
1991 724,600 651,100 1,501,800 1,284,800 815,000 349,400 111,700 394,100 231,500 6,064,000
1992 728,500 658,000 1,519,200 1,302,700 832,200 359,100 113,500 402,800 234,400 6,150,400
1993 736,600 664,400 1,542,100 1,318,100 848,600 364,500 115,100 410,800 236,300 6,236,500
1994 742,800 668,700 1,558,500 1,327,500 861,000 367,900 116,000 416,800 237,400 6,296,600
1995 741,600 673,300 1,568,200 1,332,900 869,200 368,000 116,800 421,700 238,100 6,329,800
1996 742,000 677,900 1,586,400 1,340,400 878,100 367,900 117,700 427,000 238,100 6,375,500
1997 746,800 685,200 1,612,700 1,361,200 892,600 371,100 119,100 434,100 239,600 6,462,400
1998 753,800 693,100 1,638,300 1,388,800 910,800 376,800 120,500 442,000 242,000 6,566,100
1999 762,400 698,300 1,658,000 1,412,100 928,500 384,000 121,900 449,500 243,800 6,658,500
2000 776,733 707,163 1,682,585 1,443,939 948,816 394,930 124,279 458,614 247,289 6,784,348
2001 784,031 712,527 1,701,665 1,465,753 966,845 401,662 126,093 464,743 248,994 6,872,313
2002 788,971 715,072 1,716,105 1,483,623 983,360 408,923 128,282 469,014 250,090 6,943,440
2003 791,580
 716,943 1,727,892 1,491,495 996,081 413,493 130,262 471,577 250,804 6,990,127
2004 793,095
 719,154 1,741,438 1,496,377 1,008,999 416,681 131,755 474,866 251,202 7,033,567
2005 795,346
 722,160 1,758,202 1,501,256 1,020,384 419,162 132,974 476,970 252,116 7,078,570
2006 800,099
 726,336 1,780,449 1,509,981 1,030,732 421,542 134,326 478,222 253,818 7,135,505
2007 812,241
 730,339 1,805,314 1,522,597 1,037,580 422,974 134,844 479,668 255,080 7,200,637
2008 835,364 736,951 1,829,480 1,537,719 1,048,242 424,397 136,064 482,297 256,511 7,287,025
2009 845,559 745,858 1,857,621 1,556,657 1,060,435 426,729 137,571 486,630 258,618 7,375,678
Source: State of California, Department of Finance, Demographic Research Unit. (www.dof.ca.gov/html/Demograp/druhpar.htm). Data compilation by MTC staff. Estimates for 1991-2000 were updated (April 2002) to include the State DOF's revised intercensal (1990-2000) population estimates. Updated July 27, 2009 to include revised population estimates. The excel spreadsheet for this table is available here: Bay_Area_County_Population.xls
Analyst/Contact: David Ory, MTC Planning Section
E-Mail Address: dory@mtc.ca.gov