Trewavas said there were positive signs ahead for the region's main industries such as energy and farming, and tourism was also bouncing back strongly from Covid-19.
The other two mayoral candidates, Christine Rankin and Sean Wakelin, were on 3782 and 926 votes respectively.
The results do not include some special votes and votes returned on Saturday, as they were still in transit to the processing centre.
Full progress results are available at taupo.govt.nz/vote22. Preliminary results were to be released on Sunday with final election results expected to be declared sometime between October 13 and 19.
The seven successful candidates for the Taupō ward are: Christine Rankin, Yvonne Westerman, Kevin Taylor, Anna Park, John Williamson, Rachel Shepherd and Duncan Campbell.
The successful candidate for the Tūrangi-Tongariro ward is Sandra Greenslade.
In the new Te Papamārearea Māori ward, Karam Fletcher and Danny Aperahama Loughlin were the successful candidates.
Kylie Leonard for the Taupō East Rural ward and Kirsty Trueman for the Mangakino-Pouakani ward were both re-elected unopposed.