List of National Census (U.S.) By Year
| Year | Census Count |
|---|---|
| 1790 | 3929326 |
| 1800 | 5308483 |
| 1810 | 7239881 |
| 1820 | 9638453 |
| 1830 | 12866020 |
| 1840 | 17069453 |
| 1850 | 23191876 |
| 1860 | 31443321 |
| 1870 | 39818449 |
| 1880 | 50189209 |
| 1890 | 62947714 |
| 1900 | 76212168 |
| 1910 | 92228496 |
| 1920 | 106021537 |
| 1930 | 122775046 |
| 1940 | 132164569 |
| 1950 | 150697361 |
| 1960 | 179323175 |
| 1970 | 203302031 |
| 1980 | 226545805 |
| 1990 | 248709873 |
| 2000 | 281421906 |
| 2010 | 308745538 |