National Censuses, 1790–2000
Updated February 21, 2017 | Factmonster Staff 
| Year | Resident population2 | Land area, sq mi | Pop. per sq mi |
|---|---|---|---|
| 1790 | 3,929,214 | 864,746 | 4.5 |
| 1800 | 5,308,483 | 864,746 | 6.1 |
| 1810 | 7,239,881 | 1,681,828 | 4.3 |
| 1820 | 9,638,453 | 1,749,462 | 5.5 |
| 1830 | 12,866,020 | 1,749,462 | 7.4 |
| 1840 | 17,069,453 | 1,749,462 | 9.8 |
| 1850 | 23,191,876 | 2,940,042 | 7.9 |
| 1860 | 31,443,321 | 2,969,640 | 10.6 |
| 1870 | 39,818,449 | 2,969,640 | 13.4 |
| 1880 | 50,155,783 | 2,969,640 | 16.9 |
| 1890 | 62,947,714 | 2,969,640 | 21.2 |
| 1900 | 75,994,575 | 2,969,834 | 25.6 |
| 1910 | 91,972,266 | 2,969,565 | 31.0 |
| 1920 | 105,710,620 | 2,969,451 | 35.6 |
| 1930 | 122,775,046 | 2,977,128 | 41.2 |
| 1940 | 131,669,275 | 2,977,128 | 44.2 |
| 1950 | 150,697,361 | 2,974,726 | 50.7 |
| 1960 | 179,323,175 | 3,540,911 | 50.6 |
| 1970 | 203,302,031 | 3,540,023 | 57.4 |
| 1980 | 226,545,805 | 3,539,289 | 64.0 |
| 1990 | 248,709,873 | 3,536,278 | 70.3 |
| 2000 | 281,421,906 | 3,537,441 | 79.6 |
1. Beginning with 1960, figures include Alaska and Hawaii.
2. Excludes armed forces overseas.
Source: U.S. Bureau of the Census. Web: www.census.gov.
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