Hunua is an expired electorate. Port Waikato was gazetted on 17 April 2020 and replaces Hunua.
| Andrew Bayly | November 2017 | September 2020 |
| Andrew Bayly | October 2014 | August 2017 |
| Winston Peters | May 1979 | October 1981 |
WhereTheyStand currently only shows histories for MPs who were members of the 51st Parliament and any subsequent Parliament.
Dates sourced from a variety of sources including the Parliament website, Hansard, and Wikipedia. Start dates shown correspond to when an MP was sworn in, not when that MP was declared elected.