A 2006 estimate puts the city's population at 2,833,321. As of the 2000 census, there were 2,896,016 people, 1,061,928 households, and 632,909 families residing within Chicago. More than half the population of the state of Illinois lives in the Chicago metropolitan area. The population density of the city itself was 12,750.3 people per square mile (4,923.0/km²). There were 1,152,868 housing units at an average density of 5,075.8 per square mile (1,959.8/km²). The racial makeup of the city was 42.0% White (31.3% White/non-Hispanic, 36.8% Black, 26.0% Hispanic or Latino (of any race), 4.3% Asian and Pacific Islander, 2.9% from two or more races, 0.4% Native American, and 13.6% from other races. With over 12,700 people per square mile, Chicago is one of the nation's most densely populated cities.

Of the 1,061,928 households, 28.9% have children under the age of 18 living with them, 35.1% were married couples living together, 18.9% had a female householder with no husband present, and 40.4% were non-families. Of all households, 32.6% are made up of individuals and 8.7% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 3.50.

Of the city population, 26.2% are under the age of 18, 11.2% are from 18 to 24, 33.4% are from 25 to 44, 18.9% are from 45 to 64, and 10.3% are 65 years of age or older. The median age is 32 years. For every 100 females there were 94.2 males. For every 100 females age 18 and over, there were 91.1 males.

The median income for a household in the city was $38,625, and the median income for a family was $46,748. Males had a median income of $35,907 versus $30,536 for females. The per capita income for the city was $20,175. Below the poverty line are 19.6% of the population and 16.6% of the families. Of the total population, 28.1% of those under the age of 18 and 15.5% of those 65 and older are living below the poverty line.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Chicago".