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Table 2
Households by Vehicles in Household Forecasts by Bay Area County
MTC Forecasts, based on ABAG's Projections '98

Zero Vehicle Households (Households with Zero Vehicles Available)
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 94,148 91,964 91,742 91,380 91,016 86,866 81,151 79,477 78,231
San Mateo 14,691 14,115 13,991 13,777 13,579 12,928 12,140 12,169 12,597
Santa Clara 27,484 27,338 27,388 27,442 27,537 27,773 25,875 26,180 26,141
Alameda 58,748 57,454 56,951 56,005 55,071 52,349 50,275 50,656 52,025
Contra Costa 19,038 18,612 18,406 18,025 17,736 17,210 16,881 18,184 18,033
Solano 6,479 6,317 6,245 6,116 6,024 5,486 5,005 5,469 6,024
Napa 2,711 2,612 2,587 2,565 2,537 2,515 2,485 2,405 2,491
Sonoma 8,990 8,399 8,251 7,997 7,792 7,185 6,722 7,198 7,489
Marin 4,742 4,585 4,524 4,419 4,377 4,246 3,623 3,571 3,706
Region 237,031 231,396 230,085 227,726 225,669 216,558 204,157 205,309 206,737


Single Vehicle Households
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 126,887 124,692 124,652 124,638 124,629 125,560 127,894 130,324 132,998
San Mateo 77,570 74,158 73,742 72,974 72,199 71,086 70,234 71,940 74,170
Santa Clara 147,706 144,030 143,709 143,097 142,609 144,758 145,045 149,515 154,094
Alameda 163,590 159,388 158,850 157,844 156,866 156,469 157,778 163,045 168,569
Contra Costa 87,169 87,470 87,290 86,951 86,642 87,791 89,956 96,710 98,978
Solano 31,883 31,457 31,329 31,121 30,904 30,630 31,452 34,728 38,232
Napa 12,654 12,497 12,457 12,394 12,322 12,511 12,854 12,954 13,576
Sonoma 46,389 45,656 45,315 44,703 44,162 43,857 44,039 47,407 49,463
Marin 31,392 30,515 30,339 30,042 29,685 29,441 28,945 29,246 30,069
Region 725,240 709,863 707,683 703,764 700,018 702,103 708,197 735,869 760,149


Multi-Vehicle Households (Households with Two-or-More Vehicles)
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 84,538 92,983 94,914 98,619 102,330 111,826 122,236 125,133 126,116
San Mateo 149,657 158,181 160,185 164,108 168,008 178,135 187,062 192,127 194,218
Santa Clara 344,997 367,524 373,149 384,452 395,573 420,164 448,514 460,745 470,800
Alameda 257,169 273,739 278,134 286,803 295,434 318,101 338,432 351,519 361,465
Contra Costa 194,080 214,165 218,345 226,651 234,844 256,490 276,299 287,015 302,672
Solano 75,062 83,957 85,502 88,540 91,559 102,993 115,806 125,807 135,410
Napa 25,947 28,944 29,521 30,640 31,771 34,003 36,570 39,593 41,875
Sonoma 93,635 106,951 109,426 114,270 119,004 132,849 145,218 152,740 161,001
Marin 58,877 62,005 62,643 63,854 65,047 68,188 72,635 75,516 77,093
Region 1,283,962 1,388,449 1,411,819 1,457,937 1,503,570 1,622,749 1,742,772 1,810,195 1,870,650


Zero Vehicle Share of Total Households
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 30.8% 29.7% 29.5% 29.0% 28.6% 26.8% 24.5% 23.7% 23.2%
San Mateo 6.1% 5.7% 5.6% 5.5% 5.4% 4.9% 4.5% 4.4% 4.5%
Santa Clara 5.3% 5.1% 5.0% 4.9% 4.9% 4.7% 4.2% 4.1% 4.0%
Alameda 12.3% 11.7% 11.5% 11.2% 10.9% 9.9% 9.2% 9.0% 8.9%
Contra Costa 6.3% 5.8% 5.7% 5.4% 5.2% 4.8% 4.4% 4.5% 4.3%
Solano 5.7% 5.2% 5.1% 4.9% 4.7% 3.9% 3.3% 3.3% 3.4%
Napa 6.6% 5.9% 5.8% 5.6% 5.4% 5.1% 4.8% 4.4% 4.3%
Sonoma 6.0% 5.2% 5.1% 4.8% 4.6% 3.9% 3.4% 3.5% 3.4%
Marin 5.0% 4.7% 4.6% 4.5% 4.4% 4.2% 3.4% 3.3% 3.3%
Region 10.6% 9.9% 9.8% 9.5% 9.3% 8.5% 7.7% 7.5% 7.3%


Single Vehicle Share of Total Households
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 41.5% 40.3% 40.0% 39.6% 39.2% 38.7% 38.6% 38.9% 39.4%
San Mateo 32.1% 30.1% 29.7% 29.1% 28.4% 27.1% 26.1% 26.0% 26.4%
Santa Clara 28.4% 26.7% 26.4% 25.8% 25.2% 24.4% 23.4% 23.5% 23.7%
Alameda 34.1% 32.5% 32.2% 31.5% 30.9% 29.7% 28.9% 28.8% 29.0%
Contra Costa 29.0% 27.3% 26.9% 26.2% 25.5% 24.3% 23.5% 24.1% 23.6%
Solano 28.1% 25.8% 25.5% 24.7% 24.1% 22.0% 20.7% 20.9% 21.3%
Napa 30.6% 28.4% 28.0% 27.2% 26.4% 25.5% 24.8% 23.6% 23.4%
Sonoma 31.1% 28.4% 27.8% 26.8% 25.8% 23.8% 22.5% 22.9% 22.7%
Marin 33.0% 31.4% 31.1% 30.6% 30.0% 28.9% 27.5% 27.0% 27.1%
Region 32.3% 30.5% 30.1% 29.5% 28.8% 27.6% 26.7% 26.7% 26.8%


Multi-Vehicle Share of Total Households
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 27.7% 30.0% 30.5% 31.3% 32.2% 34.5% 36.9% 37.4% 37.4%
San Mateo 61.9% 64.2% 64.6% 65.4% 66.2% 68.0% 69.4% 69.6% 69.1%
Santa Clara 66.3% 68.2% 68.6% 69.3% 69.9% 70.9% 72.4% 72.4% 72.3%
Alameda 53.6% 55.8% 56.3% 57.3% 58.2% 60.4% 61.9% 62.2% 62.1%
Contra Costa 64.6% 66.9% 67.4% 68.3% 69.2% 71.0% 72.1% 71.4% 72.1%
Solano 66.2% 69.0% 69.5% 70.4% 71.3% 74.0% 76.1% 75.8% 75.4%
Napa 62.8% 65.7% 66.2% 67.2% 68.1% 69.4% 70.5% 72.1% 72.3%
Sonoma 62.8% 66.4% 67.1% 68.4% 69.6% 72.2% 74.1% 73.7% 73.9%
Marin 62.0% 63.9% 64.2% 64.9% 65.6% 66.9% 69.0% 69.7% 69.5%
Region 57.2% 59.6% 60.1% 61.0% 61.9% 63.9% 65.6% 65.8% 65.9%


Total Households
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 305,573 309,639 311,308 314,637 317,975 324,252 331,281 334,934 337,345
San Mateo 241,918 246,454 247,918 250,859 253,786 262,149 269,436 276,236 280,985
Santa Clara 520,187 538,892 544,246 554,991 565,719 592,695 619,434 636,440 651,035
Alameda 479,507 490,581 493,935 500,652 507,371 526,919 546,485 565,220 582,059
Contra Costa 300,287 320,247 324,041 331,627 339,222 361,491 383,136 401,909 419,683
Solano 113,424 121,731 123,076 125,777 128,487 139,109 152,263 166,004 179,666
Napa 41,312 44,053 44,565 45,599 46,630 49,029 51,909 54,952 57,942
Sonoma 149,014 161,006 162,992 166,970 170,958 183,891 195,979 207,345 217,953
Marin 95,011 97,105 97,506 98,315 99,109 101,875 105,203 108,333 110,868
Region 2,246,233 2,329,708 2,349,587 2,389,427 2,429,257 2,541,410 2,655,126 2,751,373 2,837,536


Total Vehicles in Households
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 323,035 340,391 344,826 353,394 361,981 384,925 411,381 420,485 425,430
San Mateo 456,866 475,046 479,713 488,892 498,001 522,547 544,309 558,824 566,332
Santa Clara 1,037,394 1,091,985 1,106,202 1,134,795 1,163,028 1,228,749 1,302,518 1,339,021 1,369,991
Alameda 806,394 843,938 854,473 875,308 896,075 952,886 1,005,583 1,044,096 1,075,096
Contra Costa 574,091 625,015 635,396 656,045 676,433 732,196 784,347 818,117 859,874
Solano 220,763 242,731 246,495 253,937 261,326 289,848 322,942 351,416 379,126
Napa 78,666 86,116 87,545 90,332 93,135 99,005 105,880 113,659 120,073
Sonoma 282,166 314,989 320,885 332,482 343,876 378,477 409,861 432,203 455,130
Marin 175,701 182,482 183,866 186,524 189,083 196,539 206,984 214,370 219,074
Region 3,955,076 4,202,693 4,259,401 4,371,709 4,482,938 4,785,172 5,093,805 5,292,191 5,470,126


Average Vehicles per Household
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 1.057 1.099 1.108 1.123 1.138 1.187 1.242 1.255 1.261
San Mateo 1.889 1.928 1.935 1.949 1.962 1.993 2.020 2.023 2.016
Santa Clara 1.994 2.026 2.033 2.045 2.056 2.073 2.103 2.104 2.104
Alameda 1.682 1.720 1.730 1.748 1.766 1.808 1.840 1.847 1.847
Contra Costa 1.912 1.952 1.961 1.978 1.994 2.025 2.047 2.036 2.049
Solano 1.946 1.994 2.003 2.019 2.034 2.084 2.121 2.117 2.110
Napa 1.904 1.955 1.964 1.981 1.997 2.019 2.040 2.068 2.072
Sonoma 1.894 1.956 1.969 1.991 2.011 2.058 2.091 2.084 2.088
Marin 1.849 1.879 1.886 1.897 1.908 1.929 1.967 1.979 1.976
Region 1.761 1.804 1.813 1.830 1.845 1.883 1.918 1.923 1.928


Total Population
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 723,959 751,708 758,539 772,216 785,888 794,690 806,203 801,393 793,399
San Mateo 649,623 687,500 695,897 712,704 729,502 757,093 772,278 786,796 798,597
Santa Clara 1,497,578 1,599,097 1,627,242 1,683,525 1,739,811 1,809,502 1,864,298 1,901,097 1,930,703
Alameda 1,276,703 1,345,891 1,360,917 1,390,948 1,421,003 1,485,399 1,523,603 1,558,702 1,588,361
Contra Costa 803,732 865,296 877,816 902,863 927,897 992,801 1,049,609 1,095,889 1,139,599
Solano 340,421 370,702 376,139 387,019 397,901 436,801 474,599 507,699 540,399
Napa 110,765 117,501 118,939 121,821 124,700 130,398 136,001 143,300 150,399
Sonoma 388,222 418,102 424,640 437,719 450,800 482,104 508,201 534,393 559,496
Marin 230,096 238,501 240,140 243,424 246,700 253,999 262,398 268,400 273,397
Region 6,021,099 6,394,298 6,480,269 6,652,239 6,824,202 7,142,787 7,397,190 7,597,669 7,774,350


Vehicles per 1000 Persons
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 446.2 452.8 454.6 457.6 460.6 484.4 510.3 524.7 536.2
San Mateo 703.3 691.0 689.3 686.0 682.7 690.2 704.8 710.3 709.2
Santa Clara 692.7 682.9 679.8 674.1 668.5 679.1 698.7 704.3 709.6
Alameda 631.6 627.0 627.9 629.3 630.6 641.5 660.0 669.8 676.9
Contra Costa 714.3 722.3 723.8 726.6 729.0 737.5 747.3 746.5 754.5
Solano 648.5 654.8 655.3 656.1 656.8 663.6 680.5 692.2 701.6
Napa 710.2 732.9 736.0 741.5 746.9 759.3 778.5 793.2 798.4
Sonoma 726.8 753.4 755.7 759.6 762.8 785.1 806.5 808.8 813.5
Marin 763.6 765.1 765.7 766.3 766.4 773.8 788.8 798.7 801.3
Region 656.9 657.3 657.3 657.2 656.9 669.9 688.6 696.6 703.6


Gross Vehicle Density (Vehicles per Square Mile)
County 1990 1995 1996 1998 2000 2005 2010 2015 2020
San Francisco 6,943.0 7,292.5 7,387.6 7,571.1 7,755.1 8,246.6 8,813.4 9,008.5 9,114.4
San Mateo 1,025.3 1,065.1 1,075.5 1,096.1 1,116.6 1,171.6 1,220.4 1,252.9 1,269.8
Santa Clara 803.6 846.7 857.7 879.9 901.8 952.7 1,009.9 1,038.3 1,062.3
Alameda 1,090.3 1,141.1 1,155.3 1,183.5 1,211.6 1,288.4 1,359.7 1,411.7 1,453.7
Contra Costa 795.2 865.4 879.8 908.4 936.6 1,013.8 1,086.1 1,132.8 1,190.6
Solano 265.1 291.5 296.0 304.9 313.8 348.0 387.8 421.9 455.2
Napa 104.6 114.5 116.4 120.1 123.9 131.7 140.8 151.2 159.7
Sonoma 178.2 198.9 202.6 209.9 217.1 239.0 258.8 272.9 287.4
Marin 338.0 351.0 353.6 358.8 363.7 378.0 398.1 412.3 421.4
Region 570.5 606.2 614.4 630.6 646.7 690.3 734.8 763.4 789.1


Last Updated: 9/17/98
Chuck Purvis, MTC
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