1850 Counties of  Maryland

County Description Area in sq miles Courts held at Pop in 1850
Alleghany western part, Potomac river on north side, crossed by Alleghany Mts 800 Cumberland 22,769
Anne Arundel west side of Patapsco river & Chesapeake Bay, Patuxent river on west. 720 Annapolis 32,393
Baltimore in northernly part, north side Patapsco river, west side of ChesapeakeBay 750 Baltimore 203,928
Calvert southern part, between Patuxent river and Chesapeake bay 264 Prince Frederick 9,646
Caroline eastern boundary, on east side of Choptauk river 240 Denton 9,962
Carroll north boundary, northwest side of Patapscp river 500 Westminster 20,616
Cecil northeast corner, with Susquehanna river & Chesapeake bay on the west & southwest 264 Elkton 18.939
Charles southwest part, on NE side of Potomac river 450 Port Tobacco 16,162
Dorchester southeastern part, Chesapeake bay on the west 640 Cambridge 18,877
Frederick northern boundary, Potomac river on the southwest 750 Fredericktown 40,987
Harford northern boundary, Susquehanna river on northeast, Chesapeake bay on southeast 480 Belair 19,356
Kent east boundary, Chesapeake bay on northwest 240 Chester 11,386
Montgomery southwest boundary, Potomac river on southwest 576 Rockville 15,860
Prince George on southwest boundary, Potomac river on southeast & Patuxent river on east 575 Upper Marlborough 21,550
Queen Anne east boundary, Chester river & Chesapeake bay on northwest 400 Centreville 14,414
St Mary's south part, Chesapeake bay & Patuxent river on northeast, Potomac on southwest 200 Leonardtown 13.698
Somerset southeast part, Pocomoke bay & Tangier sound on south west (indentations of Chesapeake bay) 500 Princess Anne 22,056
Talbot on east shore, east side o Chesapeake bay 250 Easton 13,811
Washington on north boundary, Potomac river on southwest 440 Hagerstown 30.848
Worcester on southeast boundary, Atlantic ocean on east 700 Snow Hill 18,979