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Table R.1
Regional Summary of Bay Area Auto Ownership Forecasts

Characteristic Year of Analysis Total Change
1990 1998 2020 1990-98 1998-20
Total Population 6,021,100 6,652,200 7,774,400 631,100 1,122,200
Total Population, Age 15+ 4,841,800 5,248,600 6,373,400 406,800 1,124,800
Household Population 5,869,700 6,500,500 7,611,700 630,800 1,111,200
Total Households 2,246,200 2,389,400 2,837,500 143,200 448,100
Average Household Size 2.61 2.72 2.68 --- ---
Employed Residents 3,149,300 3,287,000 4,202,400 137,700 915,400
Average Workers per Household 1.40 1.38 1.48 --- ---
Average Household Income (1989$) $53,400 $59,500 $80,700 $6,100 $21,200
Total Vehicles 3,955,100 4,371,700 5,470,100 416,600 1,098,400
Average Vehicles per Household 1.76 1.83 1.93 --- ---
Average Vehicles per 1000 Persons 656.9 657.2 703.6 --- ---
Avg. Vehicles per 1000 Persons, 15+ 816.9 832.9 858.3 --- ---
Zero-Vehicle Households 237,000 227,700 206,700 -9,300 -21,000
Single Vehicle Households 725,200 703,800 760,100 -21,400 56,300
Multi-Vehicle Households 1,284,000 1,457,900 1,870,700 173,900 412,800
Share of Zero-Vehicle Households 10.6% 9.5% 7.3% --- ---
Share of Single Vehicle Households 32.3% 29.5% 26.8% --- ---
Share of Multi-Vehicle Households 57.2% 61.0% 65.9% --- ---
Characteristic Total Percent Change Annual Percent Change
1990-98 1998-20 1990-98 1998-20
Total Population 10.5% 16.9% 1.3% 0.7%
Household Population 10.7% 17.1% 1.3% 0.7%
Total Households 6.4% 18.8% 0.8% 0.8%
Employed Residents 4.4% 27.8% 0.5% 1.1%
Average Household Income (1989$) 11.4% 35.6% 1.4% 1.4%
Total Vehicles 10.5% 25.1% 1.3% 1.0%
Zero-Vehicle Households -3.9% -9.2% -0.5% -0.4%
Single Vehicle Households -3.0% 8.0% -0.4% 0.4%
Multi-Vehicle Households 13.5% 28.3% 1.6% 1.1%
Last Updated: 8/27/98
Chuck Purvis, MTC
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