Iona 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 Iona Compares
Iona vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | Iona | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,924 ≈NSW | $1,931 | $1,836 |
| Rent/wk | $250 -NSW | $445 | $390 |
| Mortgage/month | $2,140 ≈NSW | $2,247 | $1,958 |
| Median age | 47 | 45.0 | 45.0 |
| SEIFA decile | 6/10 ≈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.
Iona is a locality 139 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 Cardinia.
According to the 2021 Census, Iona has a population of 240 with a median age of 47. The median weekly household income is $1,924, close to the NSW average. The Indigenous population is 5 (2.1% of residents).
Housing in Iona includes a median weekly rent of $250, median monthly mortgage repayment of $2,140, with 79 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 95.8% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Iona scores in decile 6 out of 10, which is around the national average.
Iona is part of the Port Stephens statistical area in New South Wales.
Iona Details
| Postcode | 2321 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 240 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $1,924/week |
| Median Personal Income (Census 2021) | $690/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $2,140 |
| Average Household Size | 2.8 persons |
| Area | 24.6 km² |
| Population Density | 10/km² |
| Total Dwellings | 79 |
| Australian Citizens | 87.1% |
| Indigenous Population | 5 (2.1%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -32.6632 |
| Longitude | 151.602 |
| Distance from Sydney | 139 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Port Stephens |
| Local Government | Cardinia |
| Federal Electorate | Paterson |
Age Profile
Show counts
| 0–14 years | 28 (11.7%) |
| 15–24 years | 47 (19.6%) |
| 25–44 years | 31 (12.9%) |
| 45–64 years | 72 (30.0%) |
| 65+ years | 49 (20.4%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 6 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 34 (14.2%) |
| Asthma | 22 (9.2%) |
| Diabetes | 21 (8.8%) |
| Cancer | 12 (5.0%) |
| Heart Disease | 7 (2.9%) |
| Lung Condition | 4 (1.7%) |
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 | 9 (11.7%) |
| 2 vehicles | 31 (40.3%) |
| 3+ vehicles | 37 (48.1%) |
Suburbs Near Iona
Same Postcode (2321)
More Iona 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.