The northern Burnhamthorpe boundary would change to Eglinton.

This would mean that Rockwood Village would move from Mississauga—Brampton South to the "Mississauga East-Cooksville" riding.

It includes the neighbourhood of Cooksville, from which the riding derives part of its name.

For the 2015 Federal Election, Elections Canada describes the riding as follows: "Consisting of that part of the Regional Municipality of Peel comprised of that part of the City of Mississauga described as follows: commencing at the intersection of the northeasterly limit of said city with Queensway East; thence southwesterly along Queensway East and Queensway West to Mavis Road; thence northwesterly along said road to Central Parkway West; thence northeasterly and northwesterly along said parkway and Central Parkway East to Highway No.

"[3] According to the 2021 Canadian census[4] Ethnic groups: 48.5% White, 16.3% South Asian, 7.4% Filipino, 6.4% Black, 4.3% Chinese, 4.2% Arab, 3.2% Southeast Asian, 2.9% Latin American, 1.2% West Asian Languages: 39.9% English, 6.5% Polish, 3.6% Tagalog, 3.5% Arabic, 3.5% Urdu, 2.9% Portuguese, 2.9% Ukrainian, 2.8% Spanish, 2.3% Vietnamese, 2.3% Italian, 2.1% Mandarin, 1.6% Tamil, 1.5% Serbian, 1.4% Cantonese, 1.2% Russian Religions: 60.0% Christian (39.0% Catholic, 5.9% Christian Orthodox, 1.7% Anglican, 1.3% United Church, 1.1% Pentecostal, 11.0% Other), 13.5% Muslim, 6.0% Hindu, 2.3% Buddhist, 1.1% Sikh, 16.5% None Median income: $37,200 (2020) Average income: $47,360 (2020) Riding associations are the local branches of political parties: This riding has elected the following members of Parliament: