The Grampians has a population of around 220,000 and covers 11 local government areas (LGAs), including the City of Ballarat.

Prior to the 2024 election, it was composed of three multi-member wards with three members each, but the electoral structure has changed as a result of the Local Government Act 2020.

Prior to the 2024 election, it was composed of five wards (three single-member and two two-member), but the electoral structure has changed as a result of the Local Government Act 2020.

Prior to the 2024 election, it was composed of a single multi-member ward with seven members, but the electoral structure has changed as a result of the Local Government Act 2020.

Prior to the 2024 election, it was composed of four wards (three single-member and one four-member), but the electoral structure has changed as a result of the Local Government Act 2020.