National Register of Historic Places listings in Charles County, Maryland

Columns: Name on the Register | Date listed | Location | City or town
1 | Acquinsicke | February 20 , 1992 ( # 92000070 ) | Billingsley Rd . west of its junction with Maryland Route 228 38°36′30″N 77°02′14″W / 38.608333°N 77.037222°W / 38.608333 ; -77.037222 ( Acquinsicke ) | Pomfret | 2 | Araby | July 25 , 1974 ( # 74000947 ) | Southeast of Mason on Maryland Route 425 38°34′43″N 77°06′54″W / 38.578611°N 77.115°W / 38.578611 ; -77.115 ( Araby ) | Mason 's Springs | 3 | Bryantown Historic District | March 14 , 1985 ( # 85000590 ) | Maryland Route 5 and County Route 232 38°33′11″N 76°50′39″W / 38.553056°N 76.844167°W / 38.553056 ; -76.844167 ( Bryantown Historic District ) | Bryantown | 4 | Cedar Grove | March 2 , 1979 ( # 79001124 ) | South of La Plata off Maryland Route 6 west of Blossom Point Rd . 38°28′50″N 77°04′22″W / 38.480556°N 77.072778°W / 38.480556 ; -77.072778 ( Cedar Grove ) | La Plata | 5 | Ellerslie | September 24 , 1979 ( # 79003264 ) | West of Port Tobacco on Maryland Route 6 38°30′20″N 77°02′29″W / 38.505556°N 77.041389°W / 38.505556 ; -77.041389 ( Ellerslie ) | Port Tobacco | 6 | The Exchange | June 7 , 1984 ( # 84001763 ) | 7310 Greenland Place 38°30′54″N 76°58′23″W / 38.515°N 76.973056°W / 38.515 ; -76.973056 ( The Exchange ) | La Plata | 7 | Green 's Inheritance | December 16 , 1977 ( # 77000692 ) | Northeast of Pomfret on Maryland Route 227 38°35′19″N 77°01′13″W / 38.588611°N 77.020278°W / 38.588611 ; -77.020278 ( Green 's Inheritance ) | Pomfret

Example questions:
What year was the Charles County , Maryland place listed on the National Register of Historic Places in Mason 's Springs ? | What is the population of the Charles County , Maryland town that houses the historic Cedar Grove , as of 2010 census ? | How many National Register Historic sites does the Charles County , Maryland city which houses Acquinsicke have ? | What is the population of the Charles County , Maryland town in which the historic Green 's Inheritance is located as of 2010 census ? | What County is the Maryland town that houses the historic Locust Grove the county seat for ?

Answers:
1974 | 8,753 | 4 | 517 | Charles County