New South Wales · Postcode 2539
Cockwhy postcode and suburb data
New South Wales · Phone area code 02 · 204 km from Sydney
Suburb snapshot
Cockwhy 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 Cockwhy ranks: household income is in the top 10% of NSW suburbs; rents sit in the cheapest 10% in NSW.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Cockwhy vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Cockwhy | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,624 +NSW | $1,931 | $1,836 |
| Mortgage/month | $1,300 -NSW | $2,247 | $1,958 |
| Median age | 33 | 45.0 | 45.0 |
| SEIFA decile | 5/10 ≈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.
Cockwhy is a locality 204 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2539. It falls within the Southern Highlands and Shoalhaven region. The local government area is Shoalhaven.
According to the 2021 Census, Cockwhy has a population of 25 with a median age of 33. The median weekly household income is $2,624, above the NSW average.
Housing in Cockwhy includes a median monthly mortgage repayment of $1,300, 5 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cockwhy scores in decile 5 out of 10, which is around the national average.
Cockwhy is part of the Shoalhaven statistical area in New South Wales.
Cockwhy details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2539 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 25 |
| Median Age | 33 years |
| Median Household Income (Census 2021) | $2,624/week |
| Median Personal Income (Census 2021) | $1,187/week |
| Median Monthly Mortgage (Census 2021) | $1,300 |
| Average Household Size | 3 persons |
| Area | 41.7 km² |
| Population Density | 1/km² |
| Total Dwellings | 5 |
| Australian Citizens | 92.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -35.5415995 |
| Longitude | 150.2901228 |
| Distance from Sydney | 204 km |
| Region (SA4) | Southern Highlands and Shoalhaven |
| Area (SA3) | Shoalhaven |
| Local Government | Shoalhaven |
| Federal Electorate | Gilmore |
| State Electorate | South Coast |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 8 (32.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 6 (24.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 4 (16.0%) |
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 | 0 (0.0%) |
| 3+ vehicles | 6 (100.0%) |
Suburbs Near Cockwhy
Same Postcode (2539)
More Cockwhy 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.