National Register of Historic Places listings in Maryland facts for kids

There are more than 1,500 properties and districts listed on the National Register of Historic Places in the U.S. State of Maryland. Each of the state's 23 counties and its one county-equivalent (the independent city of Baltimore) has at least 20 listings on the National Register.

Current listings by county

The following are approximate tallies of current listings in Maryland on the National Register of Historic Places. These counts are based on entries in the National Register Information Database as of April 24, 2008 and new weekly listings posted since then on the National Register of Historic Places web site. There are frequent additions to the listings and occasional delistings, and the counts here are not official. Also, the counts in this table exclude boundary increase and decrease listings which modify the area covered by an existing property or district and which carry a separate National Register reference number.

Bostwick, Prince George's County Emerson Bromo-Seltzer Tower, Baltimore City St. Clement's Island Historic District, St. Mary's County

County # of Sites 1 Allegany 46 2 Anne Arundel 103 3 Baltimore (city) 294 4 Baltimore County 87 5 Calvert 20 6 Caroline 23 7 Carroll 61 8 Cecil 51 9 Charles 39 10 Dorchester 26 11 Frederick 95 12 Garrett 20 13 Harford 79 14 Howard 41 15 Kent 41 16 Montgomery 77 17 Prince George's 102 18 Queen Anne's 38 19 Somerset 73 20 St. Mary's 32 21 Talbot 62 22 Washington 102 23 Wicomico 23 24 Worcester 32 (duplicates) (21) Total: 1,546

Casselman's Bridge, National Road, Garrett County Brunswick Historic District, Frederick County Nassawango Iron Furnace Site, Worcester County St. Mary's Roman Catholic Church, Newport, Charles County