St Clair, NSW 2330 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
St Clair is a suburb of New South Wales, postcode 2330, home to 19,942 residents with a balanced age mix. Located in the Hawkesbury local government area (Outer Regional Australia) and roughly 125 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
- Outer Regional Australia
- Federal electorate
- Macquarie
Property & cost of living
- Median rent
- $440 /week
- Median monthly mortgage
- $2,167
- Rent share of household income
- 21%
Schools
- Mount Pleasant Public School
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
No cafes, shops, parks, gyms, libraries or playgrounds are listed in OpenStreetMap within roughly 3 km of this locality. Genuinely remote localities typically rely on services in the nearest town.
Climate
- Warmest month: Jan (28.3°C avg max)
- Coolest month: Jul (17.2°C avg max)
- Annual rainfall: 1134 mm
- Reference station: Williamtown RAAF, 81.2 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: 1,337 across postcode 2330 in the year to Dec 2025 (down 8% on the prior year).
- Most common categories: 434 violent offences, 264 theft, 197 property damage.
Nearby suburbs
Frequently asked questions
What is the population of St Clair?
St Clair (NSW 2330) 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 — 1 school is listed within or near St Clair covering government sectors. Nearest include: Mount Pleasant Public School (10 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 2330, 1,337 offences were recorded in the 12 months to Dec 2025. The most common offence categories were violent (434), theft (264), property damage (197). 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 12.5°C to 23.2°C and annual rainfall is 1,134 mm measured at the Williamtown RAAF weather station (81.2 km away). Long-term averages from the Bureau of Meteorology.
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: