Concord is a home rule-class city in Lewis County, Kentucky, in the United States. The population was 19 at the 2020 census, making it the sec…Concord is a home rule-class city in Lewis County, Kentucky, in the United States. The population was 19 at the 2020 census, making it the second least populated city in Kentucky after South Park View It is part of the Maysville Micropolitan Statistical Area.