may 1996 for more information concerning this document please contact sandra rivera alameda county planning department 399 elmhurst street hayward ca 94544 510 670 5400 table of contents profile introduction 1 units 2 population 4 characteristics 11 income 20 housing 23 government 32 education 34 health care 37 public protection energy 38 water 39 waste treatment employment 40 major employers 44 labor force 45 commute patterns 46 jobs and employed residents 48 transportation 50 top businesses by sales volume 53 retail 56 taxable 57 commercial industrial development 59 resources 63 list tables comparative growth rates unit 1930 1990 projected 2000 2010 3 total cities statistical areas 1980 1993 1995 5 race distribution & unincorporated places 6 racial ethnic 7 age group 8 language spoken at home persons five years over 9 average household size 1950