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New South Wales · Postcode 2321
Heddon Greta postcode and suburb data
New South Wales · Phone area code 02 · 121 km from Sydney
Suburb snapshot
Heddon Greta 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 Heddon Greta ranks: household income is in the top 25% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Heddon Greta vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Heddon Greta | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,130 +NSW | $1,931 | $1,836 |
| Rent/wk | $420 ≈NSW | $445 | $390 |
| Mortgage/month | $1,950 -NSW | $2,247 | $1,958 |
| Median age | 33 | 45.0 | 45.0 |
| SEIFA decile | 4/10 -NSW | 6.0/10 | 6.0/10 |
| Unemployment | 3.6% -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.
Heddon Greta is a locality 121 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2321. It falls within the Hunter Valley exc Newcastle region. The local government area is Cessnock.
According to the 2021 Census, Heddon Greta has a population of 2,838 with a median age of 33. The median weekly household income is $2,130, above the NSW average. The unemployment rate is 3.6%, lower than the NSW average. The Indigenous population is 246 (8.7% of residents).
Housing in Heddon Greta includes a median weekly rent of $420, median monthly mortgage repayment of $1,950, with 945 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 74.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Heddon Greta scores in decile 4 out of 10, which is below the national average.
Heddon Greta is part of the Port Stephens statistical area in New South Wales.
Heddon Greta details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2321 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 2,838 |
| Median Age | 33 years |
| Median Household Income (Census 2021) | $2,130/week |
| Median Personal Income (Census 2021) | $907/week |
| Median Weekly Rent (Census 2021) | $420 |
| Median Monthly Mortgage (Census 2021) | $1,950 |
| Average Household Size | 2.9 persons |
| Area | 5.0 km² |
| Population Density | 571/km² |
| Total Dwellings | 945 |
| Australian Citizens | 94.2% |
| Indigenous Population | 246 (8.7%) |
| Unemployment Rate | 3.6% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -32.8086335 |
| Longitude | 151.5073246 |
| Distance from Sydney | 121 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Port Stephens |
| Local Government | Cessnock |
| Federal Electorate | Paterson |
| State Electorate | Upper Hunter |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 675 (23.8%) |
| 15–24 years | 344 (12.1%) |
| 25–44 years | 908 (32.0%) |
| 45–64 years | 643 (22.7%) |
| 65+ years | 278 (9.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 296 (10.4%) |
| Arthritis | 273 (9.6%) |
| Diabetes | 139 (4.9%) |
| Heart Disease | 93 (3.3%) |
| Cancer | 63 (2.2%) |
| Lung Condition | 36 (1.3%) |
| Dementia | 9 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 13 (1.4%) |
| 1 vehicle | 205 (21.8%) |
| 2 vehicles | 433 (46.1%) |
| 3+ vehicles | 289 (30.7%) |
Suburbs Near Heddon Greta
Same Postcode (2321)
More Heddon Greta 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.