Sumner

NZDep 1
Pop 3,411Median age 46Christchurch City

Sumner is a small suburb in Canterbury with a population of 3,411 and a median age of 46. Median personal income is $51K per year. The main ethnic groups are European, Māori, Asian.

Median weekly rent in Sumner is $520 (520 houses, 610 units). This represents approximately 54% of median weekly personal income.

Livability indicators for Sumner: NZDep decile 1 (low deprivation (affluent)); 2 schools with avg EQI 392.

In 2026, Sumner recorded 1 building approval (1 house, 0 units), down 96.6% year-on-year.

INVESTMENT SIGNALS
Rent Affordability54% Stretched
School QualityEQI 392 Average
DeprivationDecile 1 Low
Development-97% Slowing
RENTAL MARKET
Median Rent /wk$520
House Rent /wk$520
Unit Rent /wk$610
Rent-to-Income53.5%
Lodgements36
1/10/2025
DEMOGRAPHICS
Population3,411
Median Age46
Household Size
Personal Income$51K/yr
Household Income
ETHNICITY
European89.8%
Māori5.5%
Asian2.4%
MELAA1.3%
Pacific Peoples1.0%
TOP INDUSTRIES
Professional, Scientific and Technical276
Health Care and Social Assistance255
Construction198
SCHOOLS (2)
Avg EQI392
Total Students414
State : Integrated1
State1
Sumner SchoolFull Primary · State · EQI 382 · 311 students
Our Lady Star of the Sea School (Christchurch)Full Primary · State : Integrated · EQI 401 · 103 students
LIVABILITY (NZDep 2023)
Deprivation Decile1/10
NZDep Score907
Low deprivation — among the least deprived areas in NZ.
DEVELOPMENT
Approvals (2026)1
  Houses1
YoY Change-96.6%
Data: Stats NZ Census 2023 · MBIE · MoE · NZDep2023