| New Hampshire County Formation years | ||||||||||||||
| 1764 | 1769 | 1773 | 1778 | 1780 | 1781 | 1782 | 1787 | 1800 | 1805 | 1817 | 1822 | 1823 | 1824 | 1827 |
| 1828 | 1832 | 1840 | 1841 | 1849 | 1853 | 1868 | 1874 | |||||||
| New Hampshire Census Year with Modern Map overlayed: | ||||||||||||||
| 1800 | 1810 | 1820 | 1830 | 1840 | 1850 | 1860 | 1870 | 1880-1930 | ||||||
| New Hampshire Map Abbreviations | ||||
|---|---|---|---|---|
| unorg. = unorganized g. = gained w. = with fr. = from |
atmt. = attachment exch = exchanged nca.= non county area ch. = changed |
Bel - Belknap Car - Carroll Che - Cheshire Co - Coos |
Gft - Grafton Hi - Hillsborough Me - Merrimack |
Ro - Rockingham St - Strafford Su - Sullivan |