1990 United States Census

The Twenty-first United States Census, conducted by the Census Bureau, determined the resident population of the United States to be 248,709,873, an increase of 9.8 percent over the 226,545,805 persons enumerated during the 1980 Census.[1]

The United States Census of 1790 was the first Census conducted in the United States. It was conducted on August 2, 1790. It showed that 3,929,326[1] people were living in the United States of which 697,681 were slaves, and that the largest cities were New York City with 33,000 inhabitants; Philadelphia, with 28,000; Boston, with 18,000; Charleston, South Carolina, with 16,000; and Baltimore, with 13,000. Census records for Delaware, Georgia, New Jersey, and Virginia were lost sometime between 1790 and 1830.[2]

The United States Census of 1810 was the third Census conducted in the United States. It was conducted on August 6, 1810. It showed that 7,239,881 people were living in the United States of which 1,191,362 were slaves.

The United States Census of 1820 was the fourth Census conducted in the United States. It was conducted on August 7, 1820 The total population was determined to be 9,638,453 of which 1,538,022 were slaves. The center of population was about 120 miles (193 km) west-northwest of Washington in Hardy County, Virginia (now in West Virginia).The United States Census of 1830 was the fifth Census conducted in the United States. It was conducted on June 1, 1830. It determined the population of the 24 states to be 12,866,020 of which 2,009,043 were slaves. The center of population was about 170 miles (274 km) west of Washington, D.C. in Grant County, Virginia.

The United States Census of 1840 was the sixth census of the United States. Conducted by the Bureau of the Census on June 1, 1840, it determined the resident population of the United States to be 17,069,453 — an increase of 32.7 percent over the 12,866,020 persons enumerated during the 1830 Census. The total population included 2,487,355 slaves. In 1840, the center of population was about 260 miles (418 km) west of Washington near Weston, West Virginia.The United States Census of 1850 was the seventh census of the United States. Conducted by the Bureau of the Census on June 1, 1850, it determined the resident population of the United States to be 23,191,876 — an increase of 35.9 percent over the 17,069,453 persons enumerated during the 1840 Census. The total population included 3,204,313 slaves.The United States Census of 1860 was the eighth Census conducted in the United States. It determined the population of the United States to be 31,443,321 — an increase of 35.4 percent over the 23,191,875 persons enumerated during the 1850 Census. The total population included 3,953,761 slaves.

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