What is a census?
Article 1 Section 2 of the U.S. Constitution (excerpt)
Representatives and taxes apportioned by population
Constitutional Amendment 14 - Section 2
Rights of Citizenship
Representatives shall be apportioned among the several states according to their respective numbers, counting the whole number of persons in each state, [excluding Indians not taxed]amd. But when the right to vote at any election for the choice of electors for President and Vice President of the United States, Representatives in Congress, the executive and judicial officers of a state, or the members of the legislature thereof is denied to any of the male inhabitants of such state, being twenty-one years of age and citizens of the United States, or in any way abridged except for participation in rebellion or other crime, the basis of representation therein shall be reduced in the proportion which the number of such male citizens shall bear to the whole number of male citizens twenty-one years of age in such state.
History
- 1790
First census taken for a total population of 3,929,326, and a slave population of 694,280. - 1800
Second census taken for a total population of 5,308,483, and a slave population of 893,605. - 1810
Third census taken for a total population of 7,239,881, and a slave population of 1,191,362. - 1820
Fourth census taken for a total population of 9,638,453, and a slave population of 1,538,022. - 1830
Fifth census taken for a total population of 12,866,020, and a slave population of 2,009,043. - 1840
Sixth census taken for a total population of 17,069,453, and a slave population of 2,487,355. - 1850
Seventh census taken for a total population of 23,191,876, and a slave population of 3,204,313. - 1860
Eight census taken for a total population of 31,443,321, and a slave population of 3,953,761. - 1870
Ninth census taken for a total population of 39,818,449. - 1880
Tenth census taken for a total population of 50,189,209. - 1890
Eleventh census taken for a total population of 62,947,714. - 1900
Twelfth census taken for a total population of 76,212,168. - 1910
Thirteenth census taken for a total population of 92,228,496. - 1920
Fourteenth census taken for a total population of 106,021,537. - 1930
Fifteenth census taken for a total population of 122,775,046. - 1940
Sixteenth census taken for a total population of 132,164,569. - 1950
Seventeenth census taken for a total population of 150,697,361. - 1960
Eighteenth census taken for a total population of 179,323,175. - 1970
Ninteenth census taken for a total population of 203,302,031. - 1980
Twentieth census taken for a total population of 226,545,805. - 1990
Twenty-first census taken for a total population of 248,709,873. - 2000
Twenty-second census taken for a total population of 281,421,906. - 2010
Twenty-third census taken for a total population of 308,745,538.