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roughly 3% annually. Since 1985, however, population growth has <br />averaged about 7% annually reflecting employment growth and an <br />unmet demand for housing accumulated from previous years. As of <br />January 1, 1990 the population within the City limits of Pleasanton <br />was 55,266 with an additional 1,500 persons residing in <br />unincorporated places within the Planning Area. <br /> <br />Ethnic and Social Diversity <br /> <br />Pleasanton's population is less racially mixed than other cities in <br />Alameda County. As of 1980, Pleasanton's population was 95% White, <br />1% Black, 2% Asian, 1% Spanish and 1% Other. The City also has <br />fewer households with "spscial needs" such as disabled, female <br />headed and farm worker households, and the homeless than other <br />cities in California, as shown in Table IV-10. However, Pleasanton <br />is home to about 1,400 children living with single parents and <br />about 977 households with senior citizens over 65, some of which <br />have special housing needs. The 1990 census will update this <br />information and indicate where special housing programs may be <br />required. <br /> <br />Age <br /> <br />Pleasanton has a youngsr population than California as a whole with <br />a median age of 28 years as of 1980. The median age has gradually <br />increased from 26 years in 1970 and indicated the gradual aging of <br />the population. As of 1980, about 6% of the population was <br />pre-school age, 29% were school aged children, 6% college age, 19% <br />young adults, 30% middle age, and 4% were senior citizens, as shown <br />in Figure IV-3. <br /> <br />Since 1986, ABAG estimates that the school aged population has <br />decreased and the middle aged population has increased. As of 1990, <br />ABAG estimates that 6% of the population was under 6 years of age, <br />24% were 6 to 19, 39% were 20 to 44, 23% were 46 to 64, and 6% were <br />65 years and older. ABAG projects a continuation of this age <br />distribution through 1995 with a gradual aging of the population <br />thereafter. <br /> <br />Household S~ze <br /> <br />Pleasanton's family-oriented, child-raising population is <br />illustrated by the City's larger than average household size. Large <br />families require larger homes and the housing stock in Pleasanton <br />serves large families well. In 1980, families comprised 83% of <br />households in Pleasanton compared with 69% in California as a <br />whole. In 1990, Pleasanton averaged 2.856 persons per household <br />compared with about 2.51 for Alameda County as a whole. Household <br />size varies according to the type of unit. In 1980, for examplz <br />single family households averaged 3.35 persons per household whi <br />multiple family units averaged only 2.01. Household size has be <br />decreasing in recent years due to the postponement of marria <br /> <br />IV-6 <br /> <br /> <br />