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List of towns, formation dates, and other details
| Blenheim | |
| Settled by German Palatines and Dutch before 1761 | |
| 1797 Formed from Town of Schoharie | |
| 1803 Daughter town Jefferson formed | |
| 1848 Daughter town Gilboa formed | |
| Bristol | |
| Name for Town of Broome 1797–1808 | |
| Broome | |
| 1797 Formed as Town of Bristol from Town of Schoharie | |
| 1808 Name changed to Broome | |
| 1836 Daughter town Conesville formed | |
| 1848 Daughter town Gilboa formed | |
| 1849 Annexed land from Town of Middleburgh | |
| Carlisle | |
| c. 1760 Settled | |
| 1807 Formed from towns of Cobleskill and Sharon | |
| Cobleskill | |
| 1750 Settled | |
| 1797 Formed from Town of Schoharie | |
| 1807 Daughter town Carlisle formed | |
| 1819 Daughter town Summit formed | |
| 1849 Daughter town Richmondville formed | |
| Conesville | |
| 1764 Settled | |
| 1836 Formed from towns of Durham (Greene County) and Broome | |
| Esperance | |
| c. 1711 First settled by Palatines | |
| 1846 Formed from Town of Schoharie | |
| 1850 Ceded land to Town of Schoharie | |
| Fulton | |
| c. 1711 First settlements by Dutch and Palatines | |
| 1828 Formed from Town of Middleburgh | |
| Gilboa | |
| 1764 Settled | |
| 1848 Formed from towns of Blenheim and Broome | |
| Jefferson | |
| c. 1794 Settlers from New England | |
| 1803 Formed from Town of Blenheim | |
| 1819 Daughter town Summit formed | |
| Middleburgh | |
| c. 1711 Settled by Palatines | |
| 1797 Formed as Town of Middletown from Town of Schoharie | |
| 1798 Ceded land to Town of Schoharie | |
| 1801 Name changed to Middleburgh | |
| 1828 Daughter town Fulton formed | |
| 1849 Ceded land to Town of Broome | |
| Middletown | |
| Name for Town of Middleburgh | |
| 1797–1801 | |
| Richmondville | |
| 1764 Settled near Warnerville | |
| 1849 Formed from Town of Cobleskill | |
| 1851 Annexed land from Town of Seward | |
| Schoharie | |
| c. 1711 Settled by Palatines | |
| 1772 Formed as Schoharie District | |
| 1788 Formed as town in Albany County | |
| 1795 Transferred to new county of Schoharie | |
| 1797 Daughter towns Blenheim, Bristol (now Broome), Cobleskill, and | |
| Middletown (now Middleburgh) formed | |
| 1798 Annexed land from Town of Middletown (now Middleburgh) | |
| 1846 Daughter towns Esperance and Wright formed | |
| 1850 Annexed land from Town of Esperance | |
| Seward | |
| 1754 Settled by Germans as New Dorlach | |
| 1840 Formed from Town of Sharon | |
| 1851 Ceded land to Town of Richmondville | |
| Sharon | |
| c. 1781 Settlers from New England | |
| 1792 Formed in Otsego County as Dorlach from Town of Cherry Valley | |
| 1795 Transferred to new county of Schoharie: name changed to Sharon | |
| 1797 Sharon was officially incorporated | |
| 1807 Daughter town Carlisle formed | |
| 1840 Daughter town Seward formed | |
| Summit | |
| 1794 Settlers from Dutchess County | |
| 1819 Formed from towns of Cobleskill and Jefferson | |
| Wright | |
| Settled before Revolution | |
| 1846 Formed from Town of Schoharie | |