As of the census of 2000, there were 59,498 people, 23,894 occupied housing units, and 15,746 families residing in the city. The population density was 834.1/km sq (2,160.6/mi sq). There were 25,083 housing units at an average density of 351.7/km sq (910.9/mi sq). The racial makeup of the city was 95.27% White, 1.26% Black or Race (United States Census)African American, 0.25% Native American, 0.96% Asian, 0.03% Pacific Islander, 1.02% from Race (United States Census)other races, and 1.22% from two or more races. 2.64% of the population were Hispanic or Latino of any race. There were 23,894 households out of which 32.7% had children under the age of 18 living with them, 51.1% were Marriagemarried couples living together, 10.5% had a female householder with no husband present, and 34.1% were non-families. 27.4% of all households were made up of individuals and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.99. In the city the population was spread out with 26.2% under the age of 18, 8.3% from 18 to 24, 31.2% from 25 to 44, 21.4% from 45 to 64, and 12.9% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 95.6 males. For every 100 females age 18 and over, there were 92.6 males. The median income for a household in the city was $45,961, and the median income for a family was $55,133. Males had a median income of $40,910 versus $26,423 for females. The per capita income for the city was $22,224. About 4.3% of families and 6.5% of the population were below the poverty line, including 7.1% of those under age 18 and 5.8% of those age 65 or over. Source: http://en.wikipedia.org/wiki/Janesville%2C_Wisconsin