As about 2000 census, 2,896,016 people were there in which 1,061,928 household and families were about 632,909 residents in Chicago . More than half population of the state Illinois lives in Chicago 's metropolitan areas. Density of city population was 12,750.3 people at per square mile, which make it one of the density populated city of state.

There were about 1,152,868 units of housing at average density of 5,075.8 p. square mile in which 1,061,928 households and under 18 years children were 28.9% living in city. 35.1% couples that were married living over there together and 18.9% female households having no any present husband. In city median income for the households had $35,907 against $30,536 females. 19.6% were below the line of poverty that makes the population of 16.6% of families. City's racial makeup was 41.97% white, black 36.77%, Asian 4.35%, 0.06% from pacific island, , 0.36% from Native America, , 0.36% population were from Hispanic of race, 21.72% was foreign born, 56.29% came from the Latin America, from Europe 23.13%, from Asia 17.96% and 2.62% from other parts of the world.

The main groups of ethnic Chicago include Puerto Rican, Ukrainian, Serbian, Irish, German, Bulgarian, Mexican, English, Chinese, Lithuanian, Italian, American, Polish, Greek and including some African as well. Many politicians of Chicago came from the Irish population that includes current mayor, Richard Daley. The metropolitan area so Chicago city has become now the major center for the South Asian, Indian American and Asian Americans, city has largest population of South Asian American.