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Sumner Safety Snapshot

Canterbury, New Zealand

Police data to August 2026

Generates a printable report with charts & summary.

Is Sumner safe? About average. Sumner has a safety score of 45/100, meaning less recorded crime harm per resident than about 45% of New Zealand suburbs, with 31.2 recorded crimes per 1,000 residents a year. It is the #164 safest of 288 ranked suburbs in Canterbury.

The annual total crime rate in Sumner is 31.2 crimes per thousand residents, making it the #164 safest of 288 ranked suburbs in Canterbury Region. The overall crime trend in the area has decreased in recent months with criminal activity peaking in October 2025, December 2025, April 2026.

How the safety score works

Safety Score (NZCHI-adjusted)

iHow it works
45 / 100
Crimes per 1,000 residents
i
31.2
Regional rank #164 / 288 (Bottom 50%)
3-Month Trend
i
▼25.9%(improving)

Offence breakdown · past 12 months

Based on total incidents. Police data to August 2026
  • Theft 59.0%
    Theft accounts for 59.0 percent of incidents.
  • Burglary 28.6%
    Burglary accounts for 28.6 percent of incidents.
  • Assault 4.8%
    Assault accounts for 4.8 percent of incidents.
  • Sexual Offences 3.8%
    Sexual Offences accounts for 3.8 percent of incidents.
  • Robbery, Blackmail, And Extortion 3.8%
    Robbery, Blackmail, And Extortion accounts for 3.8 percent of incidents.
View full safety overview for Sumner ›

Sumner Demographics

2023 Census data

Loaded live from the API for this suburb.

Population

3,414

Households

1,344

Median income

$121,879

Median rent

$495

Age distribution

Share of total population.

Age 0-14
552 (16.2%)
Age 15-64
2,235 (65.5%)
Age 65+
681 (19.9%)

Birthplace

Share of stated birthplace records.

Born in NZ
2,457 (72.2%)
Born overseas
945 (27.8%)

Ethnicity

Normalised to ethnicity responses (can exceed population).

European
3,252 · 88.8%
Māori
198 · 5.4%
Pacific
30 · 0.8%
Asian
90 · 2.5%
MELAA
51 · 1.4%
Other
42 · 1.1%

Home tenure (as stored)

Normalised to stated total when present.

Owned
2,727 · 99.8%
Not owned
996 · 36.4%
Other
135 · 4.9%

Household composition

Normalised to household composition total.

One family
951 (23.7%)
Two families
18 (0.4%)
Three+ families
0 (0%)
Other composition
3,048 (75.9%)

Demographic data sourced from Stats NZ , licensed under CC BY 4.0

FAQ

  • Is Sumner a safe suburb to live in?

    Sumner has a safety score of 45/100, making it the #164 safest of 288 ranked suburbs in Canterbury Region. 88% of recorded crime is property crime (theft, burglary, fraud or damage).

  • What is the crime rate in Sumner?

    The annual crime rate in Sumner is 31.2 recorded crimes per 1,000 residents.

Crime heatmap for Sumner

For deeper suburb insights visit CrimeStats.co.nz

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