Lauderdale is a city in Ramsey County, Minnesota, United States. The population was 2,379 at the 2010 census. Lauderdale is part of the M…Lauderdale is a city in Ramsey County, Minnesota, United States. The population was 2,379 at the 2010 census. Lauderdale is part of the Minneapolis–St. Paul metropolitan area and is bordered by Minneapolis, St. Paul, Roseville, and Falcon Heights. Along with Roseville, it is one of two cities to be bordered directly by Minneapolis and St. Paul.