As of the census of 2000, there were 176,581 people, 62,377 households, and 45,410 families residing in the city. The population density was 3,050.5 people per square mile (1,177.7/km²). There were 66,592 housing units at an average density of 1,150.4/sq mi (444.1/km²). The racial makeup of the city was 76.19% White, 3.48% Black or African American, 1.20% Native American, 4.22% Asian, 0.14% Pacific Islander, 10.76% from other races, and 3.01% from two or more races. 21.99% of the population were Hispanic or Latino of any race. Following the 2000 census, Chandler has remained one of the fastest growing cities in America, reaching population growth above 20% since this time. Growth is expected to subside within the next ten years due to fixed borders with Pinal County and the Gila River Indian Community to the south, Mesa and Tempe to the north, Phoenix to the west, and Gilbert to the northeast.
There were 62,377 households out of which 41.1% had children under the age of 18 living with them, 57.5% were married couples living together, 10.5% had a female householder with no husband present, and 27.2% were non-families. 19.3% of all households were made up of individuals and 3.6% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.26.
In the city the population was spread out with 29.8% under the age of 18, 8.6% from 18 to 24, 38.0% from 25 to 44, 17.8% from 45 to 64, and 5.8% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 99.7 males. For every 100 females age 18 and over, there were 96.9 males.
The median income for a household in the city was $70,456, and the median income for a family was $81,720. Males had a median income of $44,578 versus $31,763 for females. The per capita income for the city was $23,904. About 4.6% of families and 6.6% of the population were below the poverty line, including 7.7% of those under age 18 and 8.0% of those age 65 or over.