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Salisbury Plain Postcode
South Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Salisbury Plain Compares
Salisbury Plain vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Salisbury Plain | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,258 -SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $285 ≈SA | $308 | $390 | $329 |
| Mortgage/month | $1,300 -SA | $1,558 | $1,958 | $1,666 |
| Median age | 37 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 1/10 -SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 7.9% +SA | 6.0% | 5.0% | 6.0% |
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.
Postcode 5109 covers Salisbury Plain, an inland suburb of Adelaide about 19 km from the city centre. It forms part of the Adelaide - North region of South Australia. Local government services are provided by Salisbury.
According to the 2021 Census, Salisbury Plain has a population of 1,333 with a median age of 37. The median weekly household income is $1,258, below the SA average. The unemployment rate is 7.9%, higher than the SA average. The Indigenous population is 41 (3.1% of residents).
Housing in Salisbury Plain includes a median weekly rent of $285, median monthly mortgage repayment of $1,300, with 491 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 72.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Salisbury Plain scores in decile 1 out of 10, which is well below the national average.
Salisbury Plain is part of the Salisbury statistical area in South Australia.
Salisbury Plain Details
| Postcode | 5109 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 1,333 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $1,258/week |
| Median Personal Income (Census 2021) | $577/week |
| Median Weekly Rent (Census 2021) | $285 |
| Median Monthly Mortgage (Census 2021) | $1,300 |
| Average Household Size | 2.6 persons |
| Area | 1.4 km² |
| Population Density | 986/km² |
| Total Dwellings | 491 |
| Australian Citizens | 85.8% |
| Indigenous Population | 41 (3.1%) |
| Unemployment Rate | 7.9% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -34.76706 |
| Longitude | 138.66033 |
| Distance from Adelaide | 19 km |
| Region (SA4) | Adelaide - North |
| Area (SA3) | Salisbury |
| Local Government | Salisbury |
| Federal Electorate | Makin |
Age Profile
Show counts
| 0–14 years | 274 (20.6%) |
| 15–24 years | 152 (11.4%) |
| 25–44 years | 350 (26.3%) |
| 45–64 years | 321 (24.1%) |
| 65+ years | 234 (17.6%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 166 (12.5%) |
| Asthma | 119 (8.9%) |
| Diabetes | 111 (8.3%) |
| Heart Disease | 50 (3.8%) |
| Cancer | 43 (3.2%) |
| Lung Condition | 36 (2.7%) |
| Dementia | 5 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 41 (8.5%) |
| 1 vehicle | 194 (40.2%) |
| 2 vehicles | 161 (33.3%) |
| 3+ vehicles | 87 (18.0%) |
Suburbs Near Salisbury Plain
Same Postcode (5109)
More Salisbury Plain 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.