Maryland has a border with West Virginia, Virginia, Pennsylvania, Washington D.C, and Delaware. It is ranked 19th in the US population with 6,016,447 people in 2016. Maryland State Department of Education monitors secondary and primary schools in the state. The plate code for car owners in Maryland is 23R 000 to 9X 999. Try to visit Iris Garden, Sunflowers at Clear Meadow Farm, Great Falls of the Potomac River, Peak of Sugarloaf Mountain and St. Mary’s Seminary ruins to catch fun in Maryland.