Mount Roskill (New Zealand electorate)

Mount Roskill is a parliamentary electorate in Auckland, New Zealand, returning one Member of Parliament (MP) to the New Zealand House of Representatives. Phil Goff of the Labour Party held the seat from the until he resigned from Parliament on 12 October 2016 after contesting and being elected Mayor of Auckland on 8 October 2016 in the 2016 mayoral election. His resignation necessitated a byelection in this electorate which was won by Michael Wood.

Carlos Cheung of the New Zealand National Party currently holds the seat after defeating Wood in the 2023 New Zealand general election.

Mount Roskill is located on the western side of the Auckland isthmus, bordering the Manukau Harbour. It is anchored around the suburbs of Mount Roskill, Three Kings, Hillsborough and a large section of Balmoral. The boundaries added in Lynfield and New Windsor at the expense of Onehunga, which returned to the  electorate after being cut out in 1999. The Mount Roskill electorate is working class and multi-ethnic, with a high Pacific Island and Asian population, and has the highest number of overseas-born residents of any New Zealand electorate, nearly 40 per cent (as of 2001).

History
The 1996 New Zealand census showed population growth in the north and west of Auckland, necessitating the redistribution of electorates for the. The existing seat was renamed, with its boundaries shifted to fall in between Auckland and Waitakere cities. The eastern side of the New Lynn residential area was amalgamated with the population excess of, the southern half of seat (which was itself renamed ) and the western end of  to form a new seat. Named Mount Roskill, it was the first new seat drawn since the introduction of Mixed Member Proportional voting three years previous. At the 2020 redistribution it gained New Windsor from at the expense of Royal Oak, which moved to.

So far there have been three MPs for Mount Roskill, two from the Labour Party, and one from the National Party. Labour's Phil Goff was the first representative, having previously held New Lynn, another electorate in Auckland, and, an electorate covering much of the same area as Mount Roskill. After Goff was elected Mayor of Auckland in October 2016, a by-election date was set for 3 December 2016. Labour candidate Michael Wood won the by-election with more than half the votes.

Carlos Cheung won the seat for the first time for the National Party in the 2023 New Zealand general election, defeating former Minister and incumbent MP Michael Wood with a 22-point swing.

Members of Parliament
Key

List MPs
Members of Parliament elected from party lists in elections where that person also unsuccessfully contested the Mount Roskill electorate. Unless otherwise stated, all MPs terms began and ended at general elections.

Key

1Wang was elected from the party list in November 2004 following the expulsion of Donna Awatere Huata. 2Blue resigned from Parliament on 20 May 2013. 3Coates was elected from the party list in October 2016 following the resignation of Kevin Hague.

2011 election
Electorate (as at 26 November 2011): 46,332