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Castle Rock Postcode
New South Wales
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Castle Rock Compares
Castle Rock vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | Castle Rock | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $3,041 +NSW | $1,931 | $1,836 |
| Rent/wk | $325 -NSW | $445 | $390 |
| Mortgage/month | $1,695 -NSW | $2,247 | $1,958 |
| Median age | 44 | 45.0 | 45.0 |
| SEIFA decile | 4/10 -NSW | 6.0/10 | 6.0/10 |
| Unemployment | 0.0% -NSW | 5.0% | 5.0% |
Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Castle Rock is a locality 190 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2333. It falls within the Hunter Valley exc Newcastle region. The local government area is Muswellbrook.
According to the 2021 Census, Castle Rock has a population of 131 with a median age of 44. The median weekly household income is $3,041, above the NSW average. The Indigenous population is 10 (7.6% of residents).
Housing in Castle Rock includes a median weekly rent of $325, median monthly mortgage repayment of $1,695, with 38 total dwellings. Housing costs in the area sit below the NSW average. Rental properties account for 41.9% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Castle Rock scores in decile 4 out of 10, which is below the national average.
Castle Rock is part of the Upper Hunter statistical area in New South Wales.
Castle Rock Details
| Postcode | 2333 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 131 |
| Median Age | 44 years |
| Median Household Income (Census 2021) | $3,041/week |
| Median Personal Income (Census 2021) | $941/week |
| Median Weekly Rent (Census 2021) | $325 |
| Median Monthly Mortgage (Census 2021) | $1,695 |
| Average Household Size | 3.1 persons |
| Area | 91.2 km² |
| Population Density | 1/km² |
| Total Dwellings | 38 |
| Australian Citizens | 87.0% |
| Indigenous Population | 10 (7.6%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -32.2004676 |
| Longitude | 150.7569713 |
| Distance from Sydney | 190 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Upper Hunter |
| Local Government | Muswellbrook |
| Federal Electorate | Hunter |
Age Profile
Show counts
| 0–14 years | 27 (20.6%) |
| 15–24 years | 20 (15.3%) |
| 25–44 years | 24 (18.3%) |
| 45–64 years | 41 (31.3%) |
| 65+ years | 22 (16.8%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 20 (15.3%) |
| Arthritis | 7 (5.3%) |
| Cancer | 6 (4.6%) |
| Diabetes | 4 (3.1%) |
| Heart Disease | 3 (2.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 19 (50.0%) |
| 3+ vehicles | 19 (50.0%) |
Suburbs Near Castle Rock
Same Postcode (2333)
More Castle Rock Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.