Kurnell, NSW 2231 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Kurnell is a suburb of New South Wales, postcode 2231, home to 2,528 residents with an established residential profile. Located in the Sutherland local government area and roughly 18 km from the Sydney CBD.
Snapshot
Demographics
- Population
- 2,528
- Median age
- 38 years
- Median household income
- $2,161 /week
- Median personal income
- $811 /week
- Median family income
- $2,299 /week
- Average household size
- 3.1
- Persons per bedroom
- 0.9
- Local government area
- Sutherland Shire
- Statistical region (SA4)
- Sydney - Sutherland
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Cook
Property & cost of living
- Median rent
- $550 /week
- Median monthly mortgage
- $2,600
- Rent share of household income
- 25%
Schools
- Kurnell Public School
- Cronulla High School
- Kamay Botany Bay Environmental Education Centre
- Woolooware High School
- Woolooware Public School
Transport
- Within 800 m walk: 4 bus stops
- Within 1.6 km: 12 bus stops
- Captain Cook Dr Opp 251
- 251 Captain Cook Dr
- 280-282 Captain Cook Dr
- Captain Cook Dr Opp 280-282
- Boat Harbour Park, Captain Cook Dr
Lifestyle & amenities
No cafes, shops, parks, gyms, libraries or playgrounds are listed in OpenStreetMap within roughly 1.5 km of this locality. Genuinely remote localities typically rely on services in the nearest town.
Climate
- Warmest month: Jan (26.0°C avg max)
- Coolest month: Jul (16.4°C avg max)
- Annual rainfall: 1211 mm
- Reference station: Sydney (Observatory Hill), 19.0 km away
NBN & connectivity
Fibre to the Node serves 62.1% of the 1,165 resolvable premises in Kurnell. Most premises here connect via fibre to a street cabinet, then copper into the home. Speeds depend heavily on the copper run length — NBN 100 is rarely achievable on long runs.
- Fibre to the Premises: 30.7%
- Fibre to the Curb: 7.1%
- Fibre to the Node: 62.1%
Safety
- Recorded offences: 147 across postcode 2231 in the year to Dec 2025 (down 25% on the prior year).
- Most common categories: 54 other offences, 32 violent offences, 22 property damage.
Frequently asked questions
What is the population of Kurnell?
Kurnell (NSW 2231) had 2,528 residents at the most recent ABS Census. The median age is 38. It sits within the Sutherland Shire local government area.
What is the median rent in Kurnell?
The median advertised rent in Kurnell is $550/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Kurnell?
Yes — 5 schools are listed within or near Kurnell covering government sectors. Nearest include: Kurnell Public School (2.4 km), Cronulla High School (3.3 km), Kamay Botany Bay Environmental Education Centre (3.9 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Kurnell?
Kurnell is predominantly served by Fibre to the Node (62.1% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Kurnell?
Across postcode 2231, 147 offences were recorded in the 12 months to Dec 2025. The most common offence categories were other (54), violent (32), property damage (22). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Kurnell?
In Kurnell, mean daily temperatures range from 13.8°C to 21.8°C and annual rainfall is 1,211 mm measured at the Sydney (Observatory Hill) weather station (19 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Kurnell?
12 public transport stops are mapped within 1.6 km of the Kurnell centroid. Within 800 m, you'll find 4 bus stops. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: