New Hampshire County Map Formation by Year
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 County 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