<Table> <Tr> <Th> US Census </Th> <Th> County </Th> <Th> Location description </Th> <Th> Decimal coordinates </Th> </Tr> <Tr> <Td> 1790 </Td> <Td> Kent County , Maryland </Td> <Td> 23 miles east of Baltimore </Td> <Td> 39 ° 16 ′ 30 '' N 76 ° 11 ′ 12 '' W ﻿ / ﻿ 39.27500 ° N 76.18667 ° W ﻿ / 39.27500 ; - 76.18667 </Td> </Tr> <Tr> <Td> 1800 </Td> <Td> Howard County , Maryland </Td> <Td> 18 miles west of Baltimore </Td> <Td> 39 ° 16 ′ 06 '' N 76 ° 56 ′ 30 '' W ﻿ / ﻿ 39.26833 ° N 76.94167 ° W ﻿ / 39.26833 ; - 76.94167 </Td> </Tr> <Tr> <Td> 1810 </Td> <Td> Loudoun County , Virginia </Td> <Td> 40 miles northwest by west of Washington , D.C. </Td> <Td> 39 ° 11 ′ 30 '' N 77 ° 37 ′ 12 '' W ﻿ / ﻿ 39.19167 ° N 77.62000 ° W ﻿ / 39.19167 ; - 77.62000 </Td> </Tr> <Tr> <Td> 1820 </Td> <Td> Hardy County , West Virginia </Td> <Td> 16 miles east of Moorefield </Td> <Td> 39 ° 05 ′ 42 '' N 78 ° 33 ′ 00 '' W ﻿ / ﻿ 39.09500 ° N 78.55000 ° W ﻿ / 39.09500 ; - 78.55000 </Td> </Tr> <Tr> <Td> 1830 </Td> <Td> Grant County , West Virginia </Td> <Td> 19 miles west - southwest of Moorefield </Td> <Td> 38 ° 57 ′ 54 '' N 79 ° 16 ′ 54 '' W ﻿ / ﻿ 38.96500 ° N 79.28167 ° W ﻿ / 38.96500 ; - 79.28167 </Td> </Tr> <Tr> <Td> 1840 </Td> <Td> Upshur County , West Virginia </Td> <Td> 16 miles south of Clarksburg </Td> <Td> 39 ° 02 ′ 00 '' N 80 ° 18 ′ 00 '' W ﻿ / ﻿ 39.03333 ° N 80.30000 ° W ﻿ / 39.03333 ; - 80.30000 </Td> </Tr> <Tr> <Td> 1850 </Td> <Td> Wirt County , West Virginia </Td> <Td> 23 miles southeast of Parkersburg </Td> <Td> 38 ° 59 ′ 00 '' N 81 ° 19 ′ 00 '' W ﻿ / ﻿ 38.98333 ° N 81.31667 ° W ﻿ / 38.98333 ; - 81.31667 </Td> </Tr> <Tr> <Td> 1860 </Td> <Td> Pike County , Ohio </Td> <Td> 20 miles south by east of Chillicothe </Td> <Td> 39 ° 00 ′ 24 '' N 82 ° 48 ′ 48 '' W ﻿ / ﻿ 39.00667 ° N 82.81333 ° W ﻿ / 39.00667 ; - 82.81333 </Td> </Tr> <Tr> <Td> 1870 </Td> <Td> Highland County , Ohio </Td> <Td> 48 miles east by north of Cincinnati </Td> <Td> 39 ° 12 ′ 00 '' N 83 ° 35 ′ 42 '' W ﻿ / ﻿ 39.20000 ° N 83.59500 ° W ﻿ / 39.20000 ; - 83.59500 </Td> </Tr> <Tr> <Td> 1880 </Td> <Td> Boone County , Kentucky </Td> <Td> 8 miles west by south of Cincinnati </Td> <Td> 39 ° 04 ′ 08 '' N 84 ° 39 ′ 40 '' W ﻿ / ﻿ 39.06889 ° N 84.66111 ° W ﻿ / 39.06889 ; - 84.66111 </Td> </Tr> <Tr> <Td> 1890 </Td> <Td> Decatur County , Indiana </Td> <Td> 20 miles east of Columbus </Td> <Td> 39 ° 11 ′ 56 '' N 85 ° 32 ′ 53 '' W ﻿ / ﻿ 39.19889 ° N 85.54806 ° W ﻿ / 39.19889 ; - 85.54806 </Td> </Tr> <Tr> <Td> 1900 </Td> <Td> Bartholomew County , Indiana </Td> <Td> 6 miles southeast of Columbus </Td> <Td> 39 ° 09 ′ 36 '' N 85 ° 48 ′ 54 '' W ﻿ / ﻿ 39.16000 ° N 85.81500 ° W ﻿ / 39.16000 ; - 85.81500 </Td> </Tr> <Tr> <Td> 1910 </Td> <Td> Monroe County , Indiana </Td> <Td> in the city of Bloomington </Td> <Td> 39 ° 10 ′ 12 '' N 86 ° 32 ′ 20 '' W ﻿ / ﻿ 39.17000 ° N 86.53889 ° W ﻿ / 39.17000 ; - 86.53889 </Td> </Tr> <Tr> <Td> 1920 </Td> <Td> Owen County , Indiana </Td> <Td> 8 miles south - southeast of Spencer </Td> <Td> 39 ° 10 ′ 21 '' N 86 ° 43 ′ 15 '' W ﻿ / ﻿ 39.17250 ° N 86.72083 ° W ﻿ / 39.17250 ; - 86.72083 </Td> </Tr> <Tr> <Td> 1930 </Td> <Td> Greene County , Indiana </Td> <Td> 3 miles northeast of Linton </Td> <Td> 39 ° 03 ′ 45 '' N 87 ° 08 ′ 06 '' W ﻿ / ﻿ 39.06250 ° N 87.13500 ° W ﻿ / 39.06250 ; - 87.13500 </Td> </Tr> <Tr> <Td> 1940 </Td> <Td> Sullivan County , Indiana </Td> <Td> 2 miles southeast by east of Carlisle </Td> <Td> 38 ° 56 ′ 54 '' N 87 °
in what state was the united states center of population gravity located during the period 1790
Maryland