The town was established in 1829 from part of the Junius, New York.

Shandaken was established as a town in 1804 from part of the Woodstock, New York.

The town was established in 1817 from part of the Portland, New York.

The town was established in 1845 from part of the Town of Virgil.

Pembroke was established from part of the Town of Batavia in 1812.

The town was established in 1806 from part of the Town of Madrid.

Fulton was established from part of the Town of Middleburgh in 1828.

This town was established in 1806 from part of the town of Colchester.

The town was established from part of the Town of Norway in 1796.

The town was established in 1807 from part of the Town of Hamilton.