High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Anderson County is a county located in the U.S. state of Kentucky. It was formed in 1827. In 2007, the population was 20,885. Its county seat is Lawrenceburg, Kentucky. The county is named for Richard Clough Anderson, Jr., a Kentucky Legislator, U.S. Congressman and minister to Colombia. Anderson County is part of the Frankfort Micropolitan Statistical Area.