She was elected to her second mayoral term on 5 December 2009 and took office on 20 December 2009.
2018 Chiayi City mayor election
Huang announced her candidacy for the Chiayi mayoral primary in January 2018.
Kuomintang
Huang Min-hui was appointed acting chairperson of the KMT on 18 January 2016 after Eric Chu resigned to accept responsibility for the KMT's poor results in the 2016 presidential and legislative election. On 27 January 2016 Huang declared her candidacy for the KMT chairperson by-election. She submitted a petition of 67,926 signatures to the party on 22 February, to officially register as a candidate. The party confirmed 37,780 of those signatures on 26 February, validating her candidacy. Huang won 46,341 votes, finishing second in the election held on March 26.