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Maryland counties
24counties
1,652historic places
—newspaper titles
History layers
Statewide24 counties have formation records (oldest: St. Mary's County, 1638). 24 counties have decade population series. 13 counties have nearby NPS units. 7 counties are near ABPP Civil War study areas. 24 counties have GNIS places (1,251 cemeteries statewide in this extract).
See each county page for charts, formation parents, NPS sites, cemeteries, battlefields, and HMdb links.
Allegany County 45 places
Anne Arundel County 110 places
Baltimore County 420 places
Baltimore city 0 places
Calvert County 20 places
Caroline County 23 places
Carroll County 61 places
Cecil County 52 places
Charles County 42 places
Dorchester County 29 places
Frederick County 103 places
Garrett County 19 places
Harford County 80 places
Howard County 42 places
Kent County 43 places
Montgomery County 82 places
Prince George's County 110 places
Queen Anne's County 40 places
Somerset County 73 places
St. Mary's County 32 places
Talbot County 65 places
Washington County 101 places
Wicomico County 25 places
Worcester County 35 places
Anne Arundel County 110 places
Baltimore County 420 places
Baltimore city 0 places
Calvert County 20 places
Caroline County 23 places
Carroll County 61 places
Cecil County 52 places
Charles County 42 places
Dorchester County 29 places
Frederick County 103 places
Garrett County 19 places
Harford County 80 places
Howard County 42 places
Kent County 43 places
Montgomery County 82 places
Prince George's County 110 places
Queen Anne's County 40 places
Somerset County 73 places
St. Mary's County 32 places
Talbot County 65 places
Washington County 101 places
Wicomico County 25 places
Worcester County 35 places