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Table 1
County-to-County Commuting in the San Francisco Bay Area, 1960-2000
1960-2000 Decennial Census
             
County of Residence County of Work 1960 1970 1980 1990 2000
San Francisco San Francisco 322,000 283,184 284,297 299,926 322,009
San Francisco San Mateo 12,000 18,349 21,443 32,170 43,306
San Francisco Santa Clara 1,000 2,972 3,721 7,992 15,868
San Francisco Alameda 6,000 7,874 15,181 18,822 20,834
San Francisco Contra Costa 1,000 1,129 2,430 5,747 4,568
San Francisco Solano 0 362 349 377 418
San Francisco Napa 0 77 14 117 237
San Francisco Sonoma 0 120 355 468 835
San Francisco Marin 2,000 1,419 3,332 5,006 6,450
San Francisco Elsewhere NA NA 348 784 781
San Francisco TOTAL 344,000 315,486 331,470 371,409 415,306
San Mateo San Francisco 59,000 67,723 78,706 78,832 71,702
San Mateo San Mateo 99,000 139,653 180,143 199,760 206,093
San Mateo Santa Clara 14,000 20,933 33,853 44,001 55,473
San Mateo Alameda 2,000 3,640 6,686 13,188 14,783
San Mateo Contra Costa 0 474 738 3,715 1,789
San Mateo Solano 0 145 220 183 303
San Mateo Napa 0 11 18 0 141
San Mateo Sonoma 0 50 115 110 345
San Mateo Marin 0 335 643 1,406 973
San Mateo Elsewhere NA NA 394 912 658
San Mateo TOTAL 174,000 232,964 301,516 342,107 352,260
Santa Clara San Francisco 7,000 9,052 7,438 7,536 7,946
Santa Clara San Mateo 13,000 28,060 27,676 31,896 40,666
Santa Clara Santa Clara 207,000 354,028 597,764 710,582 727,915
Santa Clara Alameda 2,000 6,476 9,907 24,163 37,015
Santa Clara Contra Costa 0 507 795 2,299 2,824
Santa Clara Solano 0 121 64 121 581
Santa Clara Napa 0 75 74 34 161
Santa Clara Sonoma 0 91 149 116 505
Santa Clara Marin 0 214 30 421 578
Santa Clara Elsewhere NA NA 3,058 6,512 6,741
Santa Clara TOTAL 229,000 398,624 646,955 783,680 824,932
Alameda San Francisco 25,000 35,197 50,895 60,505 72,035
Alameda San Mateo 3,000 11,378 15,125 26,633 33,501
Alameda Santa Clara 4,000 10,684 27,474 53,139 69,669
Alameda Alameda 310,000 342,111 387,411 433,159 453,917
Alameda Contra Costa 8,000 13,016 18,913 34,613 35,517
Alameda Solano 1,000 1,008 1,351 1,309 1,883
Alameda Napa 0 235 72 211 340
Alameda Sonoma 0 137 288 487 867
Alameda Marin 1,000 647 1,119 2,723 3,745
Alameda Elsewhere NA NA 1,137 2,510 3,558
Alameda TOTAL 352,000 414,413 503,785 615,289 675,032
Contra Costa San Francisco 10,000 20,491 38,236 47,678 49,525
Contra Costa San Mateo 0 2,895 3,972 7,867 9,279
Contra Costa Santa Clara 0 1,540 2,389 6,010 10,145
Contra Costa Alameda 35,000 48,640 68,511 83,446 95,938
Contra Costa Contra Costa 94,000 127,645 177,015 237,511 254,749
Contra Costa Solano 2,000 2,152 3,648 6,060 6,506
Contra Costa Napa 0 253 343 453 1,094
Contra Costa Sonoma 0 169 175 428 1,037
Contra Costa Marin 0 996 1,687 3,280 6,803
Contra Costa Elsewhere NA NA 1,220 2,448 3,727
Contra Costa TOTAL 141,000 204,781 297,196 395,181 438,803
Solano San Francisco 1,000 1,249 4,371 9,805 10,386
Solano San Mateo 0 359 827 2,577 2,880
Solano Santa Clara 0 357 252 1,000 1,605
Solano Alameda 1,000 1,450 4,817 10,326 12,588
Solano Contra Costa 1,000 3,246 10,242 20,899 22,018
Solano Solano 45,000 51,385 72,142 93,704 99,231
Solano Napa 1,000 2,958 2,846 5,492 8,256
Solano Sonoma 0 146 412 1,105 2,334
Solano Marin 1,000 507 964 1,913 4,418
Solano Elsewhere NA NA 3,113 6,533 8,918
Solano TOTAL 50,000 61,657 99,986 153,354 172,634
Napa San Francisco 0 458 549 1,044 1,305
Napa San Mateo 0 119 149 286 462
Napa Santa Clara 0 80 95 103 365
Napa Alameda 0 796 880 1,087 1,229
Napa Contra Costa 0 914 1,126 1,807 1,974
Napa Solano 4,000 4,853 5,572 5,805 3,756
Napa Napa 17,000 20,295 31,808 37,464 44,341
Napa Sonoma 0 485 1,124 1,630 2,146
Napa Marin 0 170 215 549 894
Napa Elsewhere NA NA 144 438 529
Napa TOTAL 21,000 28,170 41,662 50,213 57,001
Sonoma San Francisco 1,000 3,652 6,489 8,357 8,192
Sonoma San Mateo 0 268 883 1,528 1,633
Sonoma Santa Clara 0 58 100 388 1,246
Sonoma Alameda 0 364 826 1,839 2,367
Sonoma Contra Costa 0 357 647 1,425 1,776
Sonoma Solano 1,000 753 895 1,310 1,299
Sonoma Napa 0 470 1,238 2,026 3,030
Sonoma Sonoma 44,000 55,769 105,957 154,324 184,423
Sonoma Marin 2,000 4,313 9,594 15,352 18,336
Sonoma Elsewhere NA NA 681 1,307 1,323
Sonoma TOTAL 48,000 66,004 127,310 187,856 223,625
Marin San Francisco 19,000 31,191 37,662 33,656 30,894
Marin San Mateo 0 2,201 2,591 3,212 2,614
Marin Santa Clara 0 719 400 564 952
Marin Alameda 1,000 2,312 3,526 5,256 4,729
Marin Contra Costa 1,000 935 1,555 3,428 2,740
Marin Solano 0 283 556 845 610
Marin Napa 0 115 104 189 380
Marin Sonoma 0 631 2,079 3,179 3,493
Marin Marin 35,000 42,998 65,830 72,941 78,681
Marin Elsewhere NA NA 191 237 469
Marin TOTAL 56,000 81,385 114,494 123,507 125,562
Bay Area San Francisco 444,000 452,197 508,643 547,339 573,994
Bay Area San Mateo 127,000 203,282 252,809 305,929 340,434
Bay Area Santa Clara 226,000 391,371 666,048 823,779 883,238
Bay Area Alameda 357,000 413,663 497,745 591,286 643,400
Bay Area Contra Costa 105,000 148,223 213,461 311,444 327,955
Bay Area Solano 53,000 61,062 84,797 109,714 114,587
Bay Area Napa 18,000 24,489 36,517 45,986 57,980
Bay Area Sonoma 44,000 57,598 110,654 161,847 195,985
Bay Area Marin 41,000 51,599 83,414 103,591 120,878
Bay Area Elsewhere NA NA 10,286 21,681 26,704
Bay Area TOTAL 1,415,000 1,803,484 2,464,374 3,022,596 3,285,155
Elsewhere San Francisco NA NA 2,345 3,496 5,359
Elsewhere San Mateo NA NA 1,554 3,813 6,466
Elsewhere Santa Clara NA NA 16,745 33,081 52,034
Elsewhere Alameda NA NA 4,507 20,292 32,768
Elsewhere Contra Costa NA NA 1,184 5,727 7,514
Elsewhere Solano NA NA 2,511 6,020 7,448
Elsewhere Napa NA NA 381 821 1,543
Elsewhere Sonoma NA NA 876 1,928 3,301
Elsewhere Marin NA NA 179 587 997
Elsewhere Bay Area NA NA 30,282 75,765 117,430
TOTAL San Francisco 444,000 452,197 510,988 550,835 579,353
TOTAL San Mateo 127,000 203,282 254,363 309,742 346,900
TOTAL Santa Clara 226,000 391,371 682,793 856,860 935,272
TOTAL Alameda 357,000 413,663 502,252 611,578 676,168
TOTAL Contra Costa 105,000 148,223 214,645 317,171 335,469
TOTAL Solano 53,000 61,062 87,308 115,734 122,035
TOTAL Napa 18,000 24,489 36,898 46,807 59,523
TOTAL Sonoma 44,000 57,598 111,530 163,775 199,286
TOTAL Marin 41,000 51,599 83,593 104,178 121,875
TOTAL Bay Area 1,415,000 1,803,484 2,484,370 3,076,680 3,375,881
Note: "Elsewhere" is defined as Bay Area neighbor counties, including: Mendocino, Lake, Colusa, 
     Yolo, Sacramento, Placer, San Joaquin, Stanislaus, Merced, San Benito, Monterey 
     and Santa Cruz Counties.
      Interregional commute data was first collected in the 1980 Decennial Census.
Note: "TOTAL" is defined as the nine county Bay Area and the 12 neighbor counties.
Sources: 1960 Census data was adapted by staff of the Bay Area Transportation Study Commission.
     1970, 1980, 1990 and 2000 Census data was derived from "journey-to-work" datasets, 
      prepared by staff of Metropolitan Transportation Commission (MTC).