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New South Wales · Postcode 2350
Castle Doyle postcode and suburb data
New South Wales · Phone area code 02 · 369 km from Sydney
Suburb snapshot
Castle Doyle at a glance vs NSW
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against NSW
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Castle Doyle ranks: household income is in the top 25% of NSW suburbs; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Castle Doyle vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Castle Doyle | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,299 +NSW | $1,931 | $1,836 |
| Rent/wk | $250 -NSW | $445 | $390 |
| Mortgage/month | $2,275 ≈NSW | $2,247 | $1,958 |
| Median age | 49 | 45.0 | 45.0 |
| SEIFA decile | 10/10 +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 Doyle is a locality 369 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2350. It falls within the New England and North West region. The local government area is Armidale Regional.
According to the 2021 Census, Castle Doyle has a population of 150 with a median age of 49. The median weekly household income is $2,299, above the NSW average. The Indigenous population is 4 (2.7% of residents).
Housing in Castle Doyle includes a median weekly rent of $250, median monthly mortgage repayment of $2,275, with 53 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 85.2% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Castle Doyle scores in decile 10 out of 10, which is well above the national average.
Castle Doyle is part of the Armidale statistical area in New South Wales.
Castle Doyle details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2350 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 150 |
| Median Age | 49 years |
| Median Household Income (Census 2021) | $2,299/week |
| Median Personal Income (Census 2021) | $946/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $2,275 |
| Average Household Size | 2.8 persons |
| Area | 91.0 km² |
| Population Density | 2/km² |
| Total Dwellings | 53 |
| Australian Citizens | 94.0% |
| Indigenous Population | 4 (2.7%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -30.5811686 |
| Longitude | 151.7498414 |
| Distance from Sydney | 369 km |
| Region (SA4) | New England and North West |
| Area (SA3) | Armidale |
| Local Government | Armidale Regional |
| Federal Electorate | New England |
| State Electorate | Northern Tablelands |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 31 (20.7%) |
| 15–24 years | 10 (6.7%) |
| 25–44 years | 31 (20.7%) |
| 45–64 years | 50 (33.3%) |
| 65+ years | 31 (20.7%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 11 (7.3%) |
| Arthritis | 8 (5.3%) |
| Diabetes | 7 (4.7%) |
| Heart Disease | 5 (3.3%) |
| Cancer | 4 (2.7%) |
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 | 3 (6.2%) |
| 2 vehicles | 23 (47.9%) |
| 3+ vehicles | 22 (45.8%) |
Suburbs Near Castle Doyle
Same Postcode (2350)
More Castle Doyle 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.