Connecticut County Map Formation by Year
1643
1644
1652
1658
1662
1663
1664
1665
1666
1669
1670
1671
1674
1675
1683
1687
1689
1690
1694
1697
1699
1700
1706
1708
1709
1712
1714
1717
1722
1726
1728
1730
1738
1749
1751
1774
1776
1780
1782
1783
1785
1786
1788
1789
1796
1798
1799
1803
1804
1806
1807
1824
1827
1881
1885
1960
Colorado County Map Abbreviations
unorg. = unorganized
g. = gained
w. = with
fr. = from
atmt. = attachment
exch = exchanged
nca.= non county area
ch. = changed
CONNECTICUT
Fa -
Fairfield
Har -
Hartford
Lit -
Litchfield
Mi -
Middlesex
NH -
New Haven
NL -
New London
To -
Tolland
Wi -
Windham
RHODE ISLAND
Pr -
Providence
Wa -
Washington
Br -
Bristol
Knt -
Kent
Ne -
Newport
MASSACHUSETTS
Ba -
Barnstable
Be -
Berkshire
Br -
Bristol
Du -
Dukes
Br -
Bristol
Es -
Essex
Fr -
Franklin
Hdn -
Hampden
Hsr -
Hampshire
Mi -
Middlesex
Nan -
Nantucket
No -
Norfolk
Pl -
Plymouth
Su -
Suffolk
Wo -
Worcester