List of All Counties in Maryland


There are a total of 23 counties in the state of Maryland. Among them, Saint Mary’s County is the oldest one (established in 1637) while Garrett County is the youngest (established in 1872).¬† With population of 1,004,709, Montgomery County is the most populated. The biggest county by land area is Worcester County (1,800 km2) and the smallest is Baltimore City (238 km2).¬†Below please see all Maryland counties which are listed in alphabetical order.

  • Allegany County, MD
  • Anne Arunde County, MD
  • Baltimore County, MD
  • Calvert County, MD
  • Caroline County, MD
  • Carroll County, MD
  • Cecil County, MD
  • Charles County, MD
  • Dorchester County, MD
  • Fredrick County, MD
  • Garrett County, MD
  • Hartford County, MD
  • Howard County, MD
  • Kent County, MD
  • Montgomery County, MD
  • Prince Georges County, MD
  • Queen Annes County, MD
  • Saint Marys County, MD
  • Somerset County, MD
  • Talbot County, MD
  • Washington County, MD
  • Wicomico County, MD
  • Worcester County, MD

Map of Maryland Counties

Map of Maryland Counties

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