St Martins is in Canterbury, New Zealand, with population 2,805.
There are enough weaker signals here that you should expect trade-offs, not a clean local story. Compare it directly with stronger nearby suburbs before treating it as a preferred option.
Lower deprivation supports a livability-led read.
Figures are for the Christchurch City territorial authority (as at 2026-02). New Zealand has no free suburb-level sale-price series, so these are TA-wide medians from HUD Local Housing Statistics (LINZ District Valuation Roll + Stats NZ) — a market backdrop for St Martins, not a St Martins-specific sale price.
At / near its highest median rent on record
Rent trend is derived from MBIE tenancy-bond medians and excludes suburbs with too few bonds to be reliable.
Median individual income. NZ has no suburb-level household-income or sale-price data, so this is a personal-income benchmark, not a household-affordability measure.
St Martins is a small suburb in Canterbury with a population of 2,805 and a median age of 40. Median personal income is $42K per year. The main ethnic groups are European, Māori, Asian. Canterbury population estimates moved +1.6% in the year ended June 2024, after averaging +1.9% 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 1,467 in 2018 to 1,428 in 2023 (-2.7%), 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 St Martins is $650 (650 houses, 360 units). This represents approximately 80% of median weekly personal income.
Livability indicators for St Martins: NZDep decile 4 (moderate deprivation); 2 schools with avg EQI 410.
In 2026, St Martins recorded 1 building approval (1 house, 0 units), down 95.2% year-on-year.
1 = least deprived · 10 = most deprived
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There is enough direct local evidence on St Martins for a first-pass decision.
NZ suburb pages combine Stats NZ, MBIE, MoE, GTFS, and pinned service coverage. The key difference is that some items are direct feeds, while others are fallback or snapshot layers.
Treat current rent as a decision input, not as a guaranteed market quote.
This is a trusted coverage layer, but it is still a pinned snapshot rather than a live facility API.
It is good for stop presence and local network context, but not a guarantee that every operator or schedule is equally current.
The median weekly rent in St Martins is $650/wk, based on the MBIE market rent dataset. The current rent signal is income-stretched rent market.
Income-stretched rent market: Weekly rent screens at about 80% of annual income. Use this as a suburb screening signal before comparing candidates; the matching rent ranking can provide broader market context.
QuickProperty's livability signals for St Martins show: Stretched, Average, Moderate. These are based on rent affordability, school EQI, NZDep deprivation index, and transport access.
Housing data comes from the Reserve Bank of New Zealand (RBNZ). Demographics are from Stats NZ Census 2023. Schools data uses the Ministry of Education Equity Index (EQI). The deprivation score uses NZDep2018. Transport data is sourced from GTFS feeds.
RBNZ macro data updates with each deploy. Demographics are from NZ Census 2023. School EQI scores are from the Ministry of Education latest release.