During its first century as a city, Chicago grew at a rate that ranked among the fastest growing in the world. Within the span of forty years, the city's population grew from slightly under 30,000 to over 1 million by 1890. By the close of the 19th century, Chicago was the fifth largest city in the world, and the largest of the cities that did not exist at the dawn of the century. Within fifty years of the Great Chicago Fire of 1871, the population had tripled to over 3 million.

As of the 2000 United States 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), making it one of the nation's most densely populated cities. There were 1,152,868 housing units at an average density of 5,075.8 per square mile (1,959.8/km²). 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. 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. Below the poverty line are 19.6% of the population and 16.6% of the families.

Derrick Martell Rose (born October 4, 1988) is an American professional basketball player for the Chicago Bulls of the National Basketball Association (NBA).

Born in Chicago, Rose learned the game of basketball from his three older brothers. In high school, he won two state championships and was rated by scouts as the top point guard prospect in the country after graduation.^{[citation needed]} He played for the University of Memphis Tigers and reached the NCAA national championship game in 2008. Shortly after, Rose declared for the 2008 NBA Draft and was selected first overall by the Chicago Bulls. In his first year of professional basketball, Rose was voted the Rookie of the Year and was selected to the All-Rookie Team. In his second season, Rose was selected as an NBA All-Star for the 2010 NBA All-Star Game; he was also named a starter for the U.S. team at the 2010 FIBA World Championships. Since being drafted, Rose has led the Bulls to the NBA Playoffs every year. In 2011, he received the NBA Most Valuable Player Award, becoming the youngest player ever to win this award. He joined Michael Jordan as the only Chicago Bulls players to win the honor.