Highwood is a city in the Morraine Township of Lake County, Illinois, United States. The population was 4,143 at the 2000 census. Highwood is a neighbor to Highland Park and the two share a weekly newspaper and school district. An attempt was made in 2005 to convert Highwood to a home rule city, but this effort failed, limiting the town's abilities to raise funds and pass ordinances. Highwood achieved home rule status in 2007.