The 2016 Chicago, Illinois, population is 2,720,550. There are 11,950 people per square mile (population density).
The median age is 33.4. The US median is 37.4. 37.26% of people in Chicago, Illinois, are married. 8.69% are divorced.
The average household size is 2.58 people. 27.78% of people are married, with children. 24.64% have children, but are single.
32.17% of people are white, 31.45% are black, 5.69% are asian, 0.13% are native american, and 0.16% claim 'Other'.
28.95% of the people in Chicago, Illinois, claim hispanic ethnicity (meaning 71.05% are non-hispanic).