Dufferin County

Dufferin County is a county and census division in Ontario, Canada. The county seat is Orangeville. The county covers 1,486.77 square kilometers (574.05 square miles) and its population in 2021 is 66,257.

Dufferin County was formed in 1881 from parts of Grey County, Simcoe County, and Wellington County, Ontario. It was named after Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava, who was the Governor General of Canada from 1872 to 1878.

The county has four towns:
 Grand Valley
 Mono
 Orangeville
 Shelburne
It also has four townships:
 Amaranth
 East Garafraxa
 Melancthon
 Mulmur

Category:Counties of Ontario