Population of Counties in Maryland (2018)

Name 2018 Population Growth Rate
Montgomery County1,048,3327.40%
Prince George's County911,1545.26%
Baltimore County831,4313.10%
Baltimore city616,958-0.66%
Anne Arundel County568,9165.50%
Howard County316,9669.83%
Harford County250,4392.13%
Frederick County247,8815.86%
Carroll County167,140-0.04%
Charles County157,4306.99%
Washington County149,8101.41%
St. Mary's County111,8355.74%
Cecil County102,7011.51%
Wicomico County102,5853.66%
Calvert County91,0992.38%
Allegany County72,194-3.71%
Worcester County51,5140.04%
Queen Anne's County49,1782.86%
Talbot County37,204-1.78%
Caroline County32,887-0.51%
Dorchester County32,267-1.27%
Garrett County29,344-2.61%
Somerset County25,833-2.38%
Kent County19,654-2.73%