The 2014 Chicago, Illinois, population is 2,702,471. There are 11,872 people per square mile (population density).
The median age is 33.1. The US median is 37.2. 37.65% of people in Chicago, Illinois, are married. 8.79% are divorced.
The average household size is 2.57 people. 28.24% of people are married, with children. 25.19% have children, but are single.
47.01% of people are white, 32.91% are black, 5.55% are asian, 0.27% are native american, and 12.28% claim 'Other'.
28.42% of the people in Chicago, Illinois, claim hispanic ethnicity (meaning 71.58% are non-hispanic).