These are the total free v. slave acres in the USA, only counting area in states.
Why did the USPS truck come up for slave?
By status in ~1860-5
W. Virginia's Free.
Since Maine was in Mass. the stats don't change for it.
| Year | Free | Slave |
| 1800 | 181319.85 | 309716.47 |
| 1801 | 181319.85 | 309716.47 |
| 1802 | 181319.85 | 309716.47 |
| 1803 | 226145.43 | 309716.47 |
| 1804 | 226145.43 | 309716.47 |
| 1805 | 226145.43 | 309716.47 |
| 1806 | 226145.43 | 309716.47 |
| 1807 | 226145.43 | 309716.47 |
| 1808 | 226145.43 | 309716.47 |
| 1809 | 226145.43 | 309716.47 |
| 1810 | 226145.43 | 309716.47 |
| 1811 | 226145.43 | 309716.47 |
| 1812 | 226145.43 | 362094.6 |
| 1813 | 226145.43 | 362094.6 |
| 1814 | 226145.43 | 362094.6 |
| 1815 | 226145.43 | 362094.6 |
| 1816 | 262564.98 | 362094.6 |
| 1817 | 262564.98 | 410526.38 |
| 1818 | 320478.53 | 410526.38 |
| 1819 | 320478.53 | 462946.45 |
| 1820 | 320478.53 | 462946.45 |
| 1821 | 320478.53 | 532653.44 |
| 1822 | 320478.53 | 532653.44 |
| 1823 | 320478.53 | 532653.44 |
| 1824 | 320478.53 | 532653.44 |
| 1825 | 320478.53 | 532653.44 |
| 1826 | 320478.53 | 532653.44 |
| 1827 | 320478.53 | 532653.44 |
| 1828 | 320478.53 | 532653.44 |
| 1829 | 320478.53 | 532653.44 |
| 1830 | 320478.53 | 532653.44 |
| 1831 | 320478.53 | 532653.44 |
| 1832 | 320478.53 | 532653.44 |
| 1833 | 320478.53 | 532653.44 |
| 1834 | 320478.53 | 532653.44 |
| 1835 | 320478.53 | 532653.44 |
| 1836 | 320478.53 | 585831.99 |
| 1837 | 417192.04 | 585831.99 |
| 1838 | 417192.04 | 585831.99 |
| 1839 | 417192.04 | 585831.99 |
| 1840 | 417192.04 | 585831.99 |
| 1841 | 417192.04 | 585831.99 |
| 1842 | 417192.04 | 585831.99 |
| 1843 | 417192.04 | 585831.99 |
| 1844 | 417192.04 | 585831.99 |
| 1845 | 417192.04 | 920186.15 |
| 1846 | 473464.85 | 920186.15 |
| 1847 | 473464.85 | 920186.15 |
| 1848 | 538961.23 | 920186.15 |
| 1849 | 538961.23 | 920186.15 |
| 1850 | 702655.97 | 920186.15 |
| 1851 | 702655.97 | 920186.15 |
| 1852 | 702655.97 | 920186.15 |
| 1853 | 702655.97 | 920186.15 |
| 1854 | 702655.97 | 920186.15 |
| 1855 | 702655.97 | 920186.15 |
| 1856 | 702655.97 | 920186.15 |
| 1857 | 702655.97 | 920186.15 |
| 1858 | 789591.8 | 920186.15 |
| 1859 | 887970.34 | 920186.15 |
| 1861 | 970248.7 | 920186.15 |
| 1862 | 970248.7 | 920186.15 |
| 1863 | 994478.74 | 895956.11 |
| 1864 | 1105050.56 | 895956.11 |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |