Knollwood, Illinois

Knollwood, Illinois
Census-designated place
Knollwood Location in Illinois Show map of Illinois Knollwood Location in the United States Show map of the United States
Coordinates: 42°16′18″N 87°53′44″W / 42.27167°N 87.89556°W / 42.27167; -87.89556
Country	United States
State	Illinois
County	Lake
Townships	Shields, Libertyville
Area [1]
• Total	0.60 sq mi (1.57 km2)
• Land	0.60 sq mi (1.57 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation	700 ft (200 m)
Population  (2020)
• Total	2,121
• Density	3,505.79/sq mi (1,354.08/km2)
Time zone	UTC-6 (CST)
• Summer (DST)	UTC-5 (CDT)
ZIP Code	60044 (Lake Bluff)
Area codes	847 and 224
FIPS code	17-40364

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.^[2] It is located within Shields Township and Libertyville Township. Knollwood shares a ZIP Code with the neighboring village of Lake Bluff, and children attend Lake Bluff schools. The residents of Knollwood were served by the Knollwood Fire Department until October 2018,^[3] after the trustees of the Rockland Fire Protection District ended their relationship with the department. Residents now receive fire protection from the Libertyville and Lake Forest fire departments. Police protection is provided by the Lake County Sheriff's Department.