Trentham South is a small suburb in Wellington with a population of 3,132 and a median age of 36. Median personal income is $46K per year. The main ethnic groups are European, Asian, Māori. Wellington population estimates moved +0.8% in the year ended June 2024, after averaging +0.8% a year from 2018 to 2023, which should be read as a broader regional movement backdrop rather than suburb-level migration precision. The resident employment base moved from 582 in 2018 to 1,530 in 2023 (+162.9%), which should be read as a census-to-census employment backdrop rather than a live jobs series. Te Waihanga's December 2025 Pipeline snapshot tracked over 12,000 NZ infrastructure initiatives, with more than 2,700 under construction and transport taking 52% of projected 2026 pipeline spend, which should be read as a broader national delivery backdrop rather than a suburb-specific project list.
Median weekly rent in Trentham South is $713 (713 houses, 0 units). This represents approximately 81% of median weekly personal income.
Livability indicators for Trentham South: NZDep decile 3 (low deprivation (affluent)); 2 schools with avg EQI 412; 10 transport stops (10 bus).
In 2026, Trentham South recorded 1 building approval (0 houses, 1 unit), down 98.6% year-on-year.