Alexandria is a home rule-class city in Campbell County, Kentucky, in the United States. Along with Newport, it is one of the dual seats of the c…Alexandria is a home rule-class city in Campbell County, Kentucky, in the United States. Along with Newport, it is one of the dual seats of the county. The population was 10,341 at the 2020 census. It is believed that the area that is now Alexandria was first settled by Frank Spilman and his family c. 1793. The Spilman family was from King George County, Virginia, and they may have named their settlement after Alexandria, Virginia. The family had begun developing and selling lots in the settlement by 1819, the year the first post office was established. On February 22, 1834, Alexandria was formally established by an act of the state assembly.