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List of towns, formation dates, and other details
| Amsterdam (city) | |
| 1885 Incorporated as a city from Village of Amsterdam in the Town of Amsterdam | |
| Amsterdam (town) | |
| 1793 Formed from Town of Caughnawaga | |
| 1831 Daughter town Perth formed | |
| 1885 Village of Amsterdam became City of Amsterdam | |
| Aurelius | |
| In Montgomery County 1789–1791 | |
| Bleecker | |
| In Montgomery County 1831–1838 | |
| Broadalbin | |
| In Montgomery County 1793–1838 | |
| Canajoharie | |
| Settled mid-1700s | |
| 1772 Formed as a district | |
| 1788 Recognized as a town by State of New York | |
| 1791 Daughter town Cherry Valley formed in Otsego County | |
| 1798 Daughter town Minden formed | |
| 1823 Daughter town Root formed | |
| Caughnawaga 1788–1793 | |
| 1788 Formed as a town by State of New York | |
| 1793 Dissolved, land divided between towns of Amsterdam, Broadalbin, Johnstown, and Mayfield | |
| Charleston | |
| 1770 Stone Heap Patent granted | |
| 1793 Formed from dissolved Town of Mohawk | |
| 1823 Daughter towns Root and Glen formed | |
| Chemung [ | |
| In Montgomery County 1789–1791 | |
| Ephratah [ | |
| In Montgomery County 1827–1838 | |
| German Flatts [ | |
| In Montgomery County 1772–1791 | |
| Florida | |
| 1793 Formed from dissolved Town of Mohawk | |
| Glen | |
| 1722–26 Patents granted | |
| 1823 Formed from Town of Charleston | |
| Harpersfield | |
| In Montgomery County 1788–1791 | |
| Herkimer | |
| In Montgomery County 1788–1791 | |
| Johnstown | |
| In Montgomery County 1793–1838 | |
| Lake Pleasant | |
| In Montgomery County 1812–1816 | |
| Mayfield | |
| In Montgomery County 1793–1838 | |
| Milton | |
| In Montgomery County 1789–1791 | |
| Minden | |
| Settled early 1700s by Germans | |
| 1798 Formed from Town of Canajoharie | |
| 1817 Daughter town Danube (Herkimer County) formed | |
| Mohawk 1772–1793 | |
| c. 1725 Settled | |
| 1772 Formed in Tryon County (now Montgomery County) | |
| 1788 Recognized as a town by State of New York | |
| 1793 Dissolved, land divided between towns of Charleston and Florida | |
| Mohawk | |
| French Jesuits at Caughnawaga in | |
| mid-1600s | |
| 1837 Formed from Town of Johnstown | |
| Northampton | |
| In Montgomery County 1799–1838 | |
| Oppenheim | |
| In Montgomery County 1808–1838 | |
| Otsego | |
| In Montgomery County 1788–1791 | |
| Palatine | |
| 1689 Settlers from Switzerland | |
| 1713 German Palatine settlers | |
| 1772 Formed as District of Stone Arabia | |
| 1773 Name changed to Palatine | |
| 1788 Recognized as a town by State of New York | |
| 1797 Daughter town Salisbury formed | |
| 1805 Daughter town Stratford formed | |
| 1808 Daughter town Oppenheim formed | |
| 1817 Daughter town Manheim formed in Herkimer County | |
| 1827 Daughter town Ephrata formed | |
| Perth | |
| In Montgomery County 1831–1838 | |
| Pompey | |
| In Montgomery County 1789–1791 | |
| Root | |
| 1823 Formed from towns of Canajoharie and Charleston | |
| Salisbury | |
| In Montgomery County 1797–1817 | |
| St. Johnsville | |
| 1776 Settled | |
| 1838 Formed from Town of Oppenheim | |
| Stone Arabia | |
| Name for Town of Palatine 1772–1773 | |
| Stratford | |
| In Montgomery County 1805–1838 | |
| Wells | |
| In Montgomery County 1805–1816 | |
| Whitestown | |
| In Montgomery County 1788–1791 |
Selected links to town websites, clerks, and historians
Amsterdam (city)
Amsterdam (town)
Canajoharie (town)
Canajoharie (village)
Charleston
Florida
Fonda
Fort Johnson
Fort Plain
Fultonville
Glen
Minden
Mohawk
Palatine
Palatine Bridge
Root
- No website
St. Johnsville (town)
St. Johnsville (village)