all households); the average family size was 2.81. The population was spread out, with 4,266 people (15.3%) under the age of 18, 3,841 people (13.8%) aged 18 to 24, 8,474 people (30.5%) aged 25 to 44, 6,932 people (24.9%) aged 45 to 64, and 4,297 people (15.5%) who were 65 years of age or older. The median age was 36.9 years. For every 100 females, there were 101.2 males. For every 100 females age 18 and over, there were 100.6 males. There were 13,584 housing units at an average density of , of which 4,360 (35.8%) were owner-occupied, and 7,824 (64.2%) were occupied by renters. The homeowner vacancy rate was 2.0%; the rental vacancy rate was 6.5%. 9,458 people (34.0% of the population) lived in owner-occupied housing units and 15,849 people (57.0%) lived in rental housing units. 2000 As of the census of 2000, there were 29,674 people, 12,600 households, and 6,476 families residing in the city. The population density was . There were 13,382 housing units at an average density of . The racial makeup of the city was 80.8% White, 10.9% Hispanic, 7.4% Asian, 2.5% African American, 0.6% Native American, 0.3% Pacific Islander, 3.9% from other races, and 4.5% from two or more races. There were 12,600 households, out of which 21.8% had children under the age of 18 living with them, 39.5% were married couples living together, 8.4% had a female householder with no husband present, and 48.6% were non-families. 37.0% of all households consisted of individuals, and 11.0% had a lone dweller who is over 64. The average household size was 2.13 and the average family size was 2.82. The age distribution is as follows: 16.6% under the age of 18, 13.1% from 18 to 24, 33.8% from 25 to 44, 21.7% from 45 to 64, and 14.9% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 96.8 males. For every 100 females age 18 and over, there were 96.1 males. The median income for a household in the city was $49,109, and the median income for a family was $58,757. Males had a median income of $40,410 versus $31,258 for females. The per capita income for the city was $27,133. About 4.4% of families and 7.8% of the population were below the poverty line, including 6.5% of those under age 18 and 4.8% of