In 1987, it was redefined to consist of the counties of Dundas and Stormont, excluding Akwesasne Indian Reserve No.

In 1996, it was redefined to include the Township of Charlottenburgh and Akwesasne Indian Reserve No.

It was represented in the House of Commons of Canada from 1997 to 2004, and in the Legislative Assembly of Ontario from 1999 to 2007.

Following the 2022 Canadian federal electoral redistribution, this riding will be renamed Stormont—Dundas—Glengarry at the first election held after approximately April 2024.

According to the 2021 Canadian census[3] Ethnic groups: 86.9% White, 7.3% Indigenous, 2.5% South Asian, 1.1% Black Languages: 77.5% English, 20.0% French Religions: 68.3% Christian (44.4% Catholic, 6.6% United Church, 3.8% Anglican, 2.8% Presbyterian, 10.7% Other), 1.9% Muslim, 28.0% none Median income: $39,200 (2020) Average income: $47,160 (2020) This riding has elected the following members of Parliament: