Kildeer is a village in southwestern Lake County, Illinois, United States, and a suburb of Chicago. Per the 2020 census, the population was 4,091. It has limited go ahead to custom houses on large lots, and has worked to preserve natural features and door space.

This area was largely rural and made occurring of farms and undeveloped lands until after World War II. Increased population and pent-up request for housing resulted in supplementary suburban spread outside many major cities, aided by federal investment in highways that eased commuting to work. Lake County began to prepare by paving its roads and improving some. The Kildeer area began to attract persons who wanted to alive a relatively rural life. In 1951 Quentin Road was realigned, removing the four right-angle turns, and substituting a mild curve north from Rand Road. In 1952 its entire length was paved.

In the mid-1950s, Henry Bosch Jr. submitted a residential subdivision to the county containing mostly 2-acre (0.81 ha) homesites. On April 15, 1955 it was certified and called Boschome Farms. Bosch wanted to Keep strict control of his subdivision and refused to sell lots to builders. As a condition of sale, each purchaser had to comply plans for their dwelling to Bosch and receive his sing the praises of prior to building. Not long after, the house south of Boschome Farms was subdivided as Long Grove Valley. Unit I was attributed September 16, 1955, Unit 2 upon February 1, 1957 and Unit 3 on June 20, 1957.

On October 16, 1958, Brickman Builders of Chicago announced their intent to build a planned community “of the future” consisting of 20,000 residential units in Ela Township, Lake County. This planned community would lid 9 square miles (23 km) south and southeast of Lake Zurich. It would contain 16,000 single-family homes, 6,000 apartments or duplex units, one high school, four junior tall schools, 29 grade schools, a country club, and ten church sites. Ten percent of the Place would be reserved for industrial use. The go forward would have an ultimate population of 60,000 and take 15 years to build. There would be a central shopping mall at West Cuba and Quentin Road containing a major department store, a variety store, ten small shops, one or more supermarkets, a bank, two drugstores, two restaurants, a professional and medical center, with provisions for parking 2,500 cars. Six smaller shopping centers were as well as to be located in neighborhoods.