Maryland Counties Map

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Hover/click a county for data.

Name 2022 Population Growth Since 2010 Land Area (mi²) Density (mi²)
Montgomery County1,057,3208.38%492.912,145.05
Prince George's County908,4514.85%482.711,881.98
Baltimore County825,9032.39%598.361,380.27
Anne Arundel County590,3679.47%414.891,422.96
Baltimore City County566,631-8.74%80.947,000.30
Howard County334,89716.03%250.941,334.55
Frederick County273,35916.71%660.45413.90
Harford County260,1186.07%437.10595.10
Carroll County168,9871.06%447.60377.54
Charles County168,60014.57%457.78368.30
Washington County152,2283.05%457.80332.52
St. Mary's County115,8809.57%357.39324.24
Wicomico County105,3046.40%374.42281.25
Cecil County103,4882.30%346.28298.86
Calvert County93,9055.53%213.18440.50
Allegany County68,841-8.17%424.16162.30
Worcester County53,2243.35%468.28113.66
Queen Anne's County51,0806.85%371.68137.43
Talbot County37,502-1.00%268.54139.65
Caroline County33,7061.98%319.44105.52
Dorchester County31,836-2.61%540.7558.87
Garrett County28,657-4.92%647.1044.29
Somerset County25,646-3.09%319.7380.21
Kent County19,386-4.09%277.0369.98

Counties in Maryland

  1. Maryland State Data Center
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)

Sources