[3] In 1339-40 Golpayegan had some fifty villages, yielding the annual revenue of 42,000 dinars to the state, hinting that the city was very wealthy.

[2] Golpayegan County's population history and administrative structure over three consecutive censuses are shown in the following table.

Designed by Engineer Aligholi Baiani (مهندس علینقی بیانی)[8] it is the first modern dam in Iran.

[9] According to Mostawfi,[10] Agricultural products include wheat, cotton, barley, grains, sugar, beets, and various kinds of fruits.

The region has stands of mountain-almond, (in Persian:بادام کوهی wild fig, and barberry, as well as wild thyme, London rocket seed khak shir, milk-vetch,(in Persian:خاکشیر) bugloss, and gum-tragacanth plants.