St Clair, NSW 2759 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
St Clair is a suburb of New South Wales, postcode 2759, home to 19,942 residents with a balanced age mix. Located in the Penrith local government area and roughly 40 km from the Sydney CBD.
Snapshot
Demographics
- Population
- 19,942
- Median age
- 36 years
- Median household income
- $2,067 /week
- Median personal income
- $849 /week
- Median family income
- $2,183 /week
- Average household size
- 3.0
- Persons per bedroom
- 0.8
- Local government area
- Singleton
- Statistical region (SA4)
- Hunter Valley exc Newcastle
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- McMahon
Property & cost of living
- Median rent
- $440 /week
- Median monthly mortgage
- $2,167
- Rent share of household income
- 21%
Schools
- Blackwell Public School
- Erskine Park High School
- James Erskine Public School
- St Clair Public School
- St Clair High School
Transport
- Within 800 m walk: 3 bus stops
- Within 1.6 km: 23 bus stops
- James Erskine Dr Before Quarry Rd
- Erskine Park Rd Before Mamre Rd
- Erskine Park Rd After Mamre Rd
- Westpark Industrial Estate, Erskine Park Rd
- Erskine Park Rd Opp Westpark Industrial Estate
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), 39.8 km away
NBN & connectivity
Hybrid Fibre-Coaxial serves 99.8% of the 5,342 resolvable premises in St Clair. Most premises here use the existing pay-TV coaxial cable, upgraded for NBN. Plans up to NBN 1000 are typically available.
- Fibre to the Premises: 0.1%
- Hybrid Fibre-Coaxial: 99.8%
- Sky Muster (Satellite): 0.1%
Safety
- Recorded offences: 738 across postcode 2759 in the year to Dec 2025 (down 6% on the prior year).
- Most common categories: 244 violent offences, 194 theft, 83 property damage.
Frequently asked questions
What is the population of St Clair?
St Clair (NSW 2759) had 19,942 residents at the most recent ABS Census. The median age is 36. It sits within the Singleton local government area.
What is the median rent in St Clair?
The median advertised rent in St Clair is $440/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in St Clair?
Yes — 5 schools are listed within or near St Clair covering government sectors. Nearest include: Blackwell Public School (1.8 km), Erskine Park High School (2.5 km), James Erskine Public School (2.8 km). School data sourced from ACARA and state education departments.
What NBN technology is available in St Clair?
St Clair is predominantly served by Hybrid Fibre Coaxial (99.8% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is St Clair?
Across postcode 2759, 738 offences were recorded in the 12 months to Dec 2025. The most common offence categories were violent (244), theft (194), property damage (83). 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 St Clair?
In St Clair, 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 (39.8 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in St Clair?
23 public transport stops are mapped within 1.6 km of the St Clair centroid. Within 800 m, you'll find 3 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: