Merriton 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 Merriton Compares
Merriton vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Merriton | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,666 ≈SA | $1,545 | $1,836 |
| Mortgage/month | $1,950 +SA | $1,558 | $1,958 |
| Median age | 45 | 45.0 | 45.0 |
| SEIFA decile | 7/10 +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.
Merriton is a locality 174 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5523. It falls within the Barossa - Yorke - Mid North region. The local government area is Port Pirie.
According to the 2021 Census, Merriton has a population of 55 with a median age of 45. The median weekly household income is $1,666, close to the SA average.
Housing in Merriton includes a median monthly mortgage repayment of $1,950, 17 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Merriton scores in decile 7 out of 10, which is above the national average.
Merriton is part of the Mid North statistical area in South Australia.
Merriton Details
| Postcode | 5523 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 55 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,666/week |
| Median Personal Income (Census 2021) | $812/week |
| Median Monthly Mortgage (Census 2021) | $1,950 |
| Average Household Size | 2.7 persons |
| Area | 73.4 km² |
| Population Density | 1/km² |
| Total Dwellings | 17 |
| Australian Citizens | 94.5% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -33.4069937 |
| Longitude | 138.151482 |
| Distance from Adelaide | 174 km |
| Region (SA4) | Barossa - Yorke - Mid North |
| Area (SA3) | Mid North |
| Local Government | Port Pirie |
| Federal Electorate | Grey |
Age Profile
Show counts
| 0–14 years | 12 (21.8%) |
| 15–24 years | 5 (9.1%) |
| 25–44 years | 13 (23.6%) |
| 45–64 years | 14 (25.5%) |
| 65+ years | 15 (27.3%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 4 (7.3%) |
| Arthritis | 3 (5.5%) |
| Diabetes | 3 (5.5%) |
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 | 0 (0.0%) |
| 2 vehicles | 9 (45.0%) |
| 3+ vehicles | 11 (55.0%) |
Suburbs Near Merriton
Same Postcode (5523)
More Merriton 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.