[3] The body of water known as Gages Lake was estimated to have formed nearly 10,000 years ago during the most recent ice age.

In 1838 a schoolhouse was built in the area that would in time become Warren Township High School in 1917.

[5] Sometime prior to the developments in the 1920s, Richard Warren Sears (no relation to the name of the township) had purchased and owned the lake/surrounding land.

[6] The census-designated place has received fire and police service from the neighboring village of Grayslake since the 1960s.

[7] As part of the Wildwood Park District, in the 1970s the Gages Lake Conservation Committee (GLCC) was formed which still exists to this day.

20.1% of all households were made up of individuals, and 5.3% had someone living alone who was 65 years of age or older.