Centers of Population 1790 – 2000

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Listed here is a table of the center of population as calculated by the US Census from 1790 to 2000.

Year

Latitude

Longitude

County, State

Location

2000

37.6969870

-91.8095670

Phelps County, MO approximately 2.8 miles east of Edgar Springs

1990

37.8722200

-91.2152800

Crawford County, MO, 10 miles southeast of Steelville.

1980

38.1369400

-90.5738900

Jefferson County, MO, 1/4 mile west of DeSoto.

1970

38.4630600

-89.7061100

St. Clair County, IL, 5 miles east-southeast of Mascoutah.

1960

38.5994400

-89.2097200

Clinton County, IL, 6-1/2 miles northwest of Centralia.

1950

38.8041700

-88.3688900

Clay County, IL, 3 miles northeast of Louisville.

1950

38.8391700

-88.1591700

Richland County, IL, 8 miles north-northwest of Olney.

1940

38.9483300

-87.3763900

Sullivan County, IN, 2 miles southeast by east of Carlisle.

1930

39.0625000

-87.1350000

Greene County, IN, 3 miles northeast of Linton.

1920

39.1725000

-86.7208300

Owen County, IN, 8 miles south-southeast of Spencer.

1910

39.1700000

-86.5388900

Monroe County, IN, in the city of Bloomington.

1900

39.1600000

-85.8150000

Bartholomew,IN 6 miles southeast of Columbus.

1890

39.1988900

-85.5480600

Decatur County, IN 20 miles east of Columbus.

1880

39.0688900

-84.6611100

Boone County, KY, 8 miles west by south of Cincinnati, OH.

1870

39.2000000

-83.5950000

Highland County, OH, 48 miles east by north of Cincinnati.

1860

39.0066700

-82.8133300

Pike County, OH, 20 miles south by east of Chillcothe.

1850

38.9833300

-81.3166700

Wirt County, WV, 23 miles southeast of Parkersburg (2).

1840

39.0333300

-80.3000000

Upshur County, WV, 16 miles south of Clarksburg. Upshur County was formed from parts of Barbour, Lewis, and Randolph Counties in 1851(2).

1830

38.9650000

-79.2816700

Grant County, WV, 19 miles west-southwest of Morefiled. Grant County was formed from part of Hardy County in 1866 (2).

1820

39.0950000

-78.5500000

Hardy County, WV, 16 miles east of Moorefield (2).

1810

39.1916700

-77.6200000

Loudoun County, VA, 40 miles northwest by west of Washington, DC.

1800

39.2683300

-76.9416700

Howard County, MD, 18 miles west of Baltimore. Howard County was formed from part of Anne Arundel County in 1851.

1790

39.2750000

-76.1866700

Kent County, MD, 23 miles east of Baltimore.

Population data from U.S. Census, 2000.

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