Langdon Place is a home rule-class city in Jefferson County, Kentucky, United States. The population was 936 as of the 2010 census. Langd…Langdon Place is a home rule-class city in Jefferson County, Kentucky, United States. The population was 936 as of the 2010 census. Langdon Place is located in northeastern Jefferson County. It is bordered to the north by Murray Hill, at its eastern corner by Meadow Vale, to the southeast by Rolling Hills, to the south by Westwood, to the southwest by Plantation, and otherwise by consolidated Louisville/Jefferson County.