Lake Forest is a city in Lake County, Illinois, United States. The population was 20,059 at the 2000 census. The city is south of Waukegan, Illinois, on the shore of Lake Michigan, and is a part of the Chicago metropolitan area and the North Shore.

As of the census of 2000, there were 20,059 people, 6,687 households, and 5,329 families residing in the city. The population density was 459.1/km² (1,189.4/mi²). There were 7,001 housing units at an average density of 160.2/km² (415.1/mi²). The racial makeup of the city was 93.80% White, 1.35% African American, 0.06% Native American, 3.45% Asian, 0.13% Pacific Islander, 0.44% from other races, and 0.77% from two or more races. Hispanic or Latino of any race were 1.87% of the population.

There were 6,687 households out of which 39.0% had children under the age of 18 living with them, 73.6% were married couples living together, 4.7% had a female householder with no husband present, and 20.3% were non-families. 18.3% of all households were made up of individuals and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.17.

In the city the population was spread out with 27.5% under the age of 18, 9.6% from 18 to 24, 19.7% from 25 to 44, 28.6% from 45 to 64, and 14.6% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 90.8 males. For every 100 females age 18 and over, there were 86.5 males.

The median income for a household in the city was $136,462, and the median income for a family was $165,512. Males had a median income of $100,000+ versus $44,083 for females. The per capita income for the city was $77,092. About 1.6% of families and 2.1% of the population were below the poverty line, including 2.3% of those under age 18 and 1.0% of those age 65 or over.


Information courtesy of US Census Bureau and wikipedia.org