South Australia · Postcode 5453
Armagh postcode and suburb data
South Australia · Phone area code 08 · 122 km from Adelaide
Suburb snapshot
Armagh at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Detailed comparison table
Armagh vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Armagh | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,774 +SA | $1,545 | $1,836 |
| Rent/wk | $280 ≈SA | $308 | $390 |
| Mortgage/month | $1,500 ≈SA | $1,558 | $1,958 |
| Median age | 48 | 45.0 | 45.0 |
| SEIFA decile | 8/10 +SA | 5.0/10 | 6.0/10 |
| Unemployment | 0.0% -SA | 6.0% | 5.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Armagh is a locality 122 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5453. It falls within the Barossa - Yorke - Mid North region. The local government area is Clare and Gilbert Valleys.
According to the 2021 Census, Armagh has a population of 351 with a median age of 48. The median weekly household income is $1,774, above the SA average.
Housing in Armagh includes a median weekly rent of $280, median monthly mortgage repayment of $1,500, with 126 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 91.4% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Armagh scores in decile 8 out of 10, which is above the national average.
Armagh is part of the Lower North statistical area in South Australia.
Armagh details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5453 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 351 |
| Median Age | 48 years |
| Median Household Income (Census 2021) | $1,774/week |
| Median Personal Income (Census 2021) | $903/week |
| Median Weekly Rent (Census 2021) | $280 |
| Median Monthly Mortgage (Census 2021) | $1,500 |
| Average Household Size | 2.6 persons |
| Area | 16.2 km² |
| Population Density | 22/km² |
| Total Dwellings | 126 |
| Australian Citizens | 93.4% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -33.8353016 |
| Longitude | 138.5722017 |
| Distance from Adelaide | 122 km |
| Region (SA4) | Barossa - Yorke - Mid North |
| Area (SA3) | Lower North |
| Local Government | Clare and Gilbert Valleys |
| Federal Electorate | Grey |
| State Electorate | Narungga |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 56 (16.0%) |
| 15–24 years | 39 (11.1%) |
| 25–44 years | 70 (19.9%) |
| 45–64 years | 112 (31.9%) |
| 65+ years | 72 (20.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 40 (11.4%) |
| Asthma | 28 (8.0%) |
| Diabetes | 15 (4.3%) |
| Lung Condition | 8 (2.3%) |
| Cancer | 8 (2.3%) |
| Heart Disease | 7 (2.0%) |
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 | 22 (18.5%) |
| 2 vehicles | 47 (39.5%) |
| 3+ vehicles | 50 (42.0%) |
Suburbs Near Armagh
Same Postcode (5453)
More Armagh 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.