The change of center of population each ten years, in the United States, is shown in the following table. In ninety years the center of gravity has moved westward 467 miles, on almost a straight line from east to west. The very rapid settlement of the northwest of late would indicate that the line will move considerably northward in the next ten years.

Date

Location.

Westward move. Miles.

1790,

23 miles east of Baltimore ......................

1800,

18 miles west of Baltimore ....................

.41

1810,

40 miles northwest by west of Washington

.36

1820,

16 miles north of Woodstock, va ................

.50

1830,

19 miles southwest of Moorefield, W. Va.........

.39

1810,

16 miles south of Clarksburg, W. Va .............

.55

1850,

23 miles southeast of Parkersburg, W. Va.

.65

1860,

20 miles south of Chillicothe, O..................

.81

1870,

48 miles east by north of Cincinnati, O............

.42

1880,

8 miles west by south of Cincinnati, O............

58

Total...............

467