Map showing the electoral division of Prosser, as of the 2017 periodic review.

The new name of Prosser was adopted to avoid confusion because of the significant changes made to the electoral boundaries in the region.

[2][3] Prosser includes all of the Glamorgan Spring Bay and Tasman municipal areas and parts of the municipal areas of the Northern Midlands, Southern Midlands, Brighton and Sorell.

[2] As a result of the changes made following the 2016–17 Legislative Council redistribution process, the single-seat electorate of McIntyre was temporarily assigned two MLCs, Greg Hall and Tania Rattray, until the expiration of Hall's term in 2018.

[4] On 15 May 2018, the Tasmanian Electoral Commission declared Jane Howlett to be elected as the member for Prosser until 2024..[5]