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Northern Territory · Postcode 0832
Johnston postcode and suburb data
Northern Territory · Phone area code 08 · 18 km from Darwin
Suburb snapshot
Johnston at a glance vs NT
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against NT
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Johnston ranks: household income is in the top 25% of NT suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Johnston vs the NT average and the national average, using population-weighted 2021 Census data.
| Metric | Johnston | NT avg | AU avg | Greater Darwin |
|---|---|---|---|---|
| Household income/wk | $2,254 +NT | $2,022 | $1,836 | $2,208 |
| Rent/wk | $370 +NT | $309 | $390 | $379 |
| Mortgage/month | $2,400 +NT | $1,631 | $1,958 | $2,025 |
| Median age | 28 | 33.0 | 45.0 | 35.0 |
| SEIFA decile | 7/10 +NT | 3.0/10 | 6.0/10 | 6.0/10 |
| Unemployment | 4.1% -NT | 7.0% | 5.0% | 4.0% |
Green pill = at least 10% above the NT average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Johnston is a locality 18 km from Darwin in Northern Territory, classified as outer regional by the ABS. The postcode is 0832. It falls within the Darwin region. The local government area is Palmerston.
According to the 2021 Census, Johnston has a population of 2,386 with a median age of 28. The median weekly household income is $2,254, above the NT average. The unemployment rate is 4.1%, lower than the NT average. The Indigenous population is 308 (12.9% of residents).
Housing in Johnston includes a median weekly rent of $370, median monthly mortgage repayment of $2,400, with 780 total dwellings. These housing costs sit above the NT average. Rental properties account for 63.8% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Johnston scores in decile 7 out of 10, which is above the national average.
Johnston is served by MacKillop Catholic College.
Johnston is part of the Palmerston statistical area in Northern Territory.
Johnston details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 0832 |
| State | Northern Territory (NT) |
| Phone Area Code | 08 |
| Population (2021) | 2,386 |
| Median Age | 28 years |
| Median Household Income (Census 2021) | $2,254/week |
| Median Personal Income (Census 2021) | $1,179/week |
| Median Weekly Rent (Census 2021) | $370 |
| Median Monthly Mortgage (Census 2021) | $2,400 |
| Average Household Size | 2.9 persons |
| Area | 2.6 km² |
| Population Density | 916/km² |
| Total Dwellings | 780 |
| Australian Citizens | 79.6% |
| Indigenous Population | 308 (12.9%) |
| Unemployment Rate | 4.1% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -12.4864 |
| Longitude | 131.01 |
| Distance from Darwin | 18 km |
| Region (SA4) | Darwin |
| Area (SA3) | Palmerston |
| Local Government | Palmerston |
| State Electorate | Spillett |
| Time Zone | ACST (UTC+9:30), Australia/Darwin (standard time) |
Age Profile
Show counts
| 0–14 years | 666 (27.9%) |
| 15–24 years | 356 (14.9%) |
| 25–44 years | 969 (40.6%) |
| 45–64 years | 325 (13.6%) |
| 65+ years | 69 (2.9%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 182 (7.6%) |
| Arthritis | 86 (3.6%) |
| Diabetes | 54 (2.3%) |
| Heart Disease | 26 (1.1%) |
| Cancer | 23 (1.0%) |
| Lung Condition | 22 (0.9%) |
| Dementia | 7 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 22 (2.9%) |
| 1 vehicle | 272 (35.4%) |
| 2 vehicles | 346 (45.0%) |
| 3+ vehicles | 129 (16.8%) |
Schools in Johnston
ACARA 2025 school profiles for schools located in Johnston. ICSEA is shown where ACARA publishes it.
Suburbs Near Johnston
Same Postcode (0832)
More Johnston 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.