Starting at Queenscliff in the east, the electorate takes in the entire Bellarine Peninsula, then runs down the surf coast as far as Bells Beach.
This resulted in the seat falling to Darren Cheeseman, the Labor candidate, by less than one percent at the 2007 federal election for the first time since 1929.
As Henderson failed to gain a swing towards her at the election, she lost the seat to the Labor candidate, Libby Coker.
Coker's win in 2019 was historically significant, as it marked the first time that the non-Labor parties had been in government without holding Corangamite.
In 2018, the Australian Electoral Commission (AEC) published its report on the proposed redistribution of Victoria's federal divisions.
Incumbent MP Sarah Henderson said the new name "has already prompted some ridicule on social media", due to "Cox" being a homophone of "cocks".
[6] In July 2021, City of Greater Geelong Mayor and Bellarine Ward Councillor Stephanie Asher was preselected as the Liberal candidate for Corangamite.