Elections for the territorial authorities of New Zealand were held from 9 September until 11 October 2025 as part of that year's nation-wide local elections. 709 local councillors and 66 mayors were elected across 66 of 67 councils.
3 territorial authorities are located in the upper part of the South Island. 3 mayors and 40 district and city councillors were elected. Maps
Summary Affiliation of councillors by council { class="wikitable" style="width:100%" + ! rowspan="2" Council ! rowspan="2" Electoralsystem ! rowspan="2" Seats ! colspan="6" Councillors ! rowspan="2" Details ! rowspan="2" - ! colspan="3" 2022 ! colspan="3" Elected - rowspan="3" style="border-bottom:2px solid grey" Nelson rowspan="3" style="text-align:center;border-bottom:2px solid grey" STV rowspan="3" style="text-align:center;border-bottom:2px solid grey" 12
Independent style="text-align:center" 9
Independent style="text-align:center" 11 rowspan="3" style="border-bottom:2px solid grey" Details rowspan="3" style="border-bottom:2px solid grey" - style="background:" Independent Green style="text-align:center" 2
Labour style="text-align:center" 1 - style="background:;border-bottom:2px solid grey" style="border-bottom:2px solid grey" Nelson Citizens Alliance style="text-align:center;border-bottom:2px solid grey" 1 colspan="3" style="border-bottom:2px solid grey" - rowspan="2" style="border-bottom:2px solid grey" Tasman rowspan="2" style="text-align:center;border-bottom:2px solid grey" FPP rowspan="2" style="text-align:center;border-bottom:2px solid grey" 14
Independent style="text-align:center" 13
Independent style="text-align:center" 12 rowspan="2" style="border-bottom:2px solid grey" Details rowspan="2" style="border-bottom:2px solid grey" - colspan="3" style="border-bottom:2px solid grey" style="background:darkblue;border-bottom:2px solid grey" style="border-bottom:2px solid grey" Sensible, Affordable and Ethical style="text-align:center;border-bottom:2px solid grey" 2 - rowspan="2" style="border-bottom:2px solid grey" Marlborough rowspan="2" style="text-align:center;border-bottom:2px solid grey" STV rowspan="2" style="text-align:center;border-bottom:2px solid grey" 14
Independent style="text-align:center" 14
Independent style="text-align:center" 12 rowspan="2" style="border-bottom:2px solid grey" Details rowspan="2" style="border-bottom:2px solid grey" - colspan="3" style="border-bottom:2px solid grey" style="background:;border-bottom:2px solid grey" style="border-bottom:2px solid grey" ACT Local style="text-align:center;border-bottom:2px solid grey" 2 - class="sortbottom" ! colspan="2" style="text-align:left;" 3 of 3 councils ! 40 ! colspan="8" }
Tasman District Council
2025 Tasman mayoral election
Richmond general ward
Motueka general ward
Moutere-Waimea general ward
Golden Bay general ward
Lakes-Murchison general ward
Te Tai o Aorere Māori ward
Nelson City Council
2025 Nelson mayoral election
At-large ward
Central general ward
Stoke-Tāhunanui general ward
Whakatū Māori ward
Marlborough District Council
2025 Marlborough mayoral election
Marlborough Sounds general ward
Wairau-Awatere general ward
Blenheim general ward
Marlborough Māori ward
Notes
References