The average household size was 3.09 and the average family size was 3.68. For every 100 females age 18 and over, there were 103.2 males.

In the city, the population was spread out with 30.2% under the age of 18, 12.1% from 18 to 24, 33.4% from 25 to 44, 16.4% from 45 to 64, and 7.9% who were 65 years of age or older. The median income for a household in the city was ,335, and the median income for a family was ,341.

Males had a median income of $30,556 versus $25,632 for females. About 10.7% of families and 13.9% of the population were below the poverty line, including 18.1% of those under age 18 and 8.0% of those age 65 or over.

According to Waukegan's 2010 Comprehensive Annual Financial Report, The lakefront and harbor plan calls for most industrial activity to be removed, except for the Midwest Generation power plant and North Shore wastewater treatment facilities.

He installed bulletproof covers on the windows of his cell at his own expense for fear of assassination attempts.

The unequal distribution of wealth created by the disappearance of manufacturing from the city in part contributed to the Waukegan Riot of 1966.

The first step in the revitalization effort, the opening of the Genesee Theatre, has been completed, many new restaurants have opened, buildings have been renovated, and the City of Waukegan has made substantial investments in the pedestrian areas and other infrastructure.

The city had an annual "Scoop the Loop" summer festival of cruising since 1998, which since 2010 became a monthly event during the summer.The chief of police and the state's attorney in the 1920s, for example, were avowed members of the Ku Klux Klan, facts that came to light when a wrongfully convicted African-American war veteran was released from prison on appeal after 25 years.Noted organized crime boss Johnny Torrio served time in Waukegan's Lake County jail in 1925.The current incarnation is known as "Scoop Unplugged".Art Wauk (Art Walk) is an art event that happens every third Saturday of the month in Downtown Waukegan.The name "Waukegance" and then "Waukegan" (meaning "little fort"; cf.