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New South Wales · Postcode 2311
Upper Allyn postcode and suburb data
New South Wales · Phone area code 02 · 191 km from Sydney
Suburb snapshot
Upper Allyn 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 Upper Allyn ranks: household income is in the top 10% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Upper Allyn vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Upper Allyn | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,583 +NSW | $1,931 | $1,836 |
| Mortgage/month | $3,250 +NSW | $2,247 | $1,958 |
| Median age | 36 | 45.0 | 45.0 |
| SEIFA decile | 4/10 -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.
Upper Allyn is a locality 191 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2311. It falls within the Hunter Valley exc Newcastle region. The local government area is Dungog.
According to the 2021 Census, Upper Allyn has a population of 17 with a median age of 36. The median weekly household income is $2,583, above the NSW average.
Housing in Upper Allyn includes a median monthly mortgage repayment of $3,250, 3 total dwellings. These housing costs sit above 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, Upper Allyn scores in decile 4 out of 10, which is below the national average.
Upper Allyn is part of the Lower Hunter statistical area in New South Wales.
Upper Allyn details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2311 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 17 |
| Median Age | 36 years |
| Median Household Income (Census 2021) | $2,583/week |
| Median Personal Income (Census 2021) | $630/week |
| Median Monthly Mortgage (Census 2021) | $3,250 |
| Average Household Size | 3.4 persons |
| Area | 147.1 km² |
| Population Density | 0/km² |
| Total Dwellings | 3 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -32.1681325 |
| Longitude | 151.5022211 |
| Distance from Sydney | 191 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Lower Hunter |
| Local Government | Dungog |
| Federal Electorate | Lyne |
| State Electorate | Upper Hunter |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 8 (47.1%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 3 (17.6%) |
| 45–64 years | 7 (41.2%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 5 (50.0%) |
| 2 vehicles | 0 (0.0%) |
| 3+ vehicles | 5 (50.0%) |
Suburbs Near Upper Allyn
Same Postcode (2311)
More Upper Allyn 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.