The electorate of Cockburn is located in the South Metropolitan Region and includes parts of the City of Cockburn.

Comprising of all or parts of the localities of Beeliar, Cockburn Central, Coogee, Hammond Park, Henderson, Lake Coogee, Munster, Success, Wattleup and Yangebup.

Please note that the suburbs of Aubin Grove, Atwell, Hamilton Hill, Spearwood, Treeby, Coolbellup and South Lake are not within the electorate of Cockburn.