New South Wales · Postcode 2622
Oallen postcode and suburb data
New South Wales · Phone area code 02 · 181 km from Sydney
Suburb snapshot
Oallen 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 Oallen ranks: household income sits in the bottom 25% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Oallen vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Oallen | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,125 -NSW | $1,931 | $1,836 |
| Rent/wk | $215 -NSW | $445 | $390 |
| Mortgage/month | $1,571 -NSW | $2,247 | $1,958 |
| Median age | 56 | 45.0 | 45.0 |
| SEIFA decile | 5/10 ≈NSW | 6.0/10 | 6.0/10 |
| Unemployment | 5.5% ≈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.
Oallen is a locality 181 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2622. It falls within the Southern Highlands and Shoalhaven region. The local government area is Goulburn Mulwaree.
According to the 2021 Census, Oallen has a population of 145 with a median age of 56. The median weekly household income is $1,125, below the NSW average. The unemployment rate is 5.5%. The Indigenous population is 4 (2.8% of residents).
Housing in Oallen includes a median weekly rent of $215, median monthly mortgage repayment of $1,571, with 62 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 91.7% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Oallen scores in decile 5 out of 10, which is around the national average.
Oallen is part of the Shoalhaven statistical area in New South Wales.
Oallen details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2622 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 145 |
| Median Age | 56 years |
| Median Household Income (Census 2021) | $1,125/week |
| Median Personal Income (Census 2021) | $640/week |
| Median Weekly Rent (Census 2021) | $215 |
| Median Monthly Mortgage (Census 2021) | $1,571 |
| Average Household Size | 1.9 persons |
| Area | 268.4 km² |
| Population Density | 1/km² |
| Total Dwellings | 62 |
| Australian Citizens | 75.9% |
| Indigenous Population | 4 (2.8%) |
| Unemployment Rate | 5.5% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -35.1026944 |
| Longitude | 149.9146958 |
| Distance from Sydney | 181 km |
| Region (SA4) | Southern Highlands and Shoalhaven |
| Area (SA3) | Shoalhaven |
| Local Government | Goulburn Mulwaree |
| Federal Electorate | Eden-Monaro |
| State Electorate | South Coast |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 14 (9.7%) |
| 15–24 years | 3 (2.1%) |
| 25–44 years | 28 (19.3%) |
| 45–64 years | 59 (40.7%) |
| 65+ years | 41 (28.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 23 (15.9%) |
| Asthma | 13 (9.0%) |
| Heart Disease | 9 (6.2%) |
| Cancer | 8 (5.5%) |
| Diabetes | 7 (4.8%) |
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 | 16 (25.4%) |
| 2 vehicles | 29 (46.0%) |
| 3+ vehicles | 18 (28.6%) |
Suburbs Near Oallen
Same Postcode (2622)
More Oallen 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.