Knollwood is an unincorporated community and census-designated place (CDP) in Lake County, Illinois, United States. Per the 2020 census, the population was 2,221. It is located within Shields Township and Libertyville Township. Knollwood shares a ZIP Code bearing in mind the adjacent to village of Lake Bluff, and children attend Lake Bluff schools. The residents of Knollwood were served by the Knollwood Fire Department until October 2018, after the trustees of the Rockland Fire Protection District done their membership with the department. Residents now receive fire protection from the Libertyville and Lake Forest fire departments. Police sponsorship is provided by the Lake County Sheriff’s Department.

The name “Knollwood” first became associated with the area in the at the forefront 20th century. The Chicago North Shore and Milwaukee Railroad stop, located at the intersection of Rockland Road and Telegraph Road (now Waukegan Road), was named “Creamer Corners”. To the southwest of the station was a 248-acre (100 ha) property, consisting of two farms, owned by Mrs. Granger Farwell and Mr. A.C. Accord. This property was known as “Knollwood Farm”. In 1923, Knollwood Farm was purchased by a group of wealthy Chicago businessmen (including Samuel Insull, Robert P. Lamont, Nathan William MacChesney and Thomas E. Wilson), who wished to outlook the house into a country club. The in the same way as year, the Knollwood Country Club was founded, and the purchase was finalized in 1925. The community that sprang up approaching the club came to be known as Knollwood.

Knollwood’s volunteer ember department was founded as the Rockland Fire Department and credited by the state government in January 1947. Two years later, the department purchased their first flare engine, and a ember department building was constructed in 1951. In 1952, the Rockland Fire Department associated the Illinois Association of Fire Protection Districts and tainted its declare to the Knollwood Fire Department. The original firehouse was replaced with a modern power in the same location in 2002, with the new building foundation the later than year.

Under allow in statute, Trustees of the Fire Protection District Board were appointed by the Lake County Board. The trustees included Robert Grum, Dan Rogers and Carl Snoblin. Mr. Grum, a former full-time devotee of the Lake Forest Fire Department who retired as Deputy Chief, and Dan Rogers led the efforts to terminate the district. Despite a referendum that required trustees to be elected, rather than appointed, and a majority of residents opposing his re-appointment, Rogers was re-appointed to his position, and along with Trustee Grum cast the voted needed to agree to an Inter-Governmental Agreement that curtains Knollwood FD operations upon August 31, 2018.