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South Australia · Postcode 5125
Greenwith postcode and suburb data
South Australia · Phone area code 08 · 21 km from Adelaide
Suburb snapshot
Greenwith 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.
Where Greenwith ranks: household income is in the top 25% of SA suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Greenwith vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Greenwith | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $2,002 +SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $320 ≈SA | $308 | $390 | $329 |
| Mortgage/month | $1,621 ≈SA | $1,558 | $1,958 | $1,666 |
| Median age | 40 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 7/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 3.6% -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 5125 covers Greenwith, an inland suburb of Adelaide about 21 km from the city centre. It forms part of the Adelaide - North region of South Australia. Local government services are provided by Tea Tree Gully.
According to the 2021 Census, Greenwith has a population of 10,103 with a median age of 40. The median weekly household income is $2,002, above the SA average. The unemployment rate is 3.6%, lower than the SA average. The Indigenous population is 117 (1.2% of residents).
Housing in Greenwith includes a median weekly rent of $320, median monthly mortgage repayment of $1,621, with 3,678 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 80.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Greenwith scores in decile 7 out of 10, which is above the national average.
Schools in Greenwith include Greenwith Primary School and Our Lady of Hope School.
Greenwith is part of the Tea Tree Gully statistical area in South Australia.
Greenwith details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5125 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 10,103 |
| Median Age | 40 years |
| Median Household Income (Census 2021) | $2,002/week |
| Median Personal Income (Census 2021) | $873/week |
| Median Weekly Rent (Census 2021) | $320 |
| Median Monthly Mortgage (Census 2021) | $1,621 |
| Average Household Size | 2.7 persons |
| Area | 7.8 km² |
| Population Density | 1291/km² |
| Total Dwellings | 3,678 |
| Australian Citizens | 94.3% |
| Indigenous Population | 117 (1.2%) |
| Unemployment Rate | 3.6% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -34.766 |
| Longitude | 138.715 |
| Distance from Adelaide | 21 km |
| Region (SA4) | Adelaide - North |
| Area (SA3) | Tea Tree Gully |
| Local Government | Tea Tree Gully |
| Federal Electorate | Makin |
| State Electorate | King |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 1,927 (19.1%) |
| 15–24 years | 1,427 (14.1%) |
| 25–44 years | 2,336 (23.1%) |
| 45–64 years | 3,060 (30.3%) |
| 65+ years | 1,352 (13.4%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 1,021 (10.1%) |
| Arthritis | 873 (8.6%) |
| Diabetes | 491 (4.9%) |
| Heart Disease | 368 (3.6%) |
| Cancer | 309 (3.1%) |
| Lung Condition | 145 (1.4%) |
| Dementia | 38 (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 | 124 (3.4%) |
| 1 vehicle | 1,071 (29.4%) |
| 2 vehicles | 1,467 (40.3%) |
| 3+ vehicles | 977 (26.8%) |
Schools in Greenwith
ACARA 2025 school profiles for schools located in Greenwith. ICSEA is shown where ACARA publishes it.
Suburbs Near Greenwith
Same Postcode (5125)
More Greenwith 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.