Northern Territory · Postcode 0872
Costello postcode and suburb data
Northern Territory · Phone area code 08 · 1167 km from Darwin
Suburb snapshot
Costello 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 Costello ranks: household income is in the top 10% of NT suburbs; rents sit in the cheapest 10% in NT; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Costello vs the NT average and the national average, using population-weighted 2021 Census data.
| Metric | Costello | NT avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,749 +NT | $2,022 | $1,836 |
| Median age | 20 | 33.0 | 45.0 |
| SEIFA decile | 1/10 -NT | 3.0/10 | 6.0/10 |
| Unemployment | 0.0% -NT | 7.0% | 5.0% |
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.
Costello is a very remote community in Northern Territory, with postcode 0872. It lies roughly 1167 km from Darwin, classified by the ABS as very remote Australia. The area is administered by Barkly.
According to the 2021 Census, Costello has a population of 23 with a median age of 20. The median weekly household income is $2,749, above the NT average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Costello scores in decile 1 out of 10, which is well below the national average.
Costello is part of the Barkly statistical area in Northern Territory.
Costello details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 0872 |
| State | Northern Territory (NT) |
| Phone Area Code | 08 |
| Population (2021) | 23 |
| Median Age | 20 years |
| Median Household Income (Census 2021) | $2,749/week |
| Median Personal Income (Census 2021) | $885/week |
| Average Household Size | 2 persons |
| Area | 39158.4 km² |
| Population Density | 0/km² |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -21.152 |
| Longitude | 136.998 |
| Distance from Darwin | 1167 km |
| Region (SA4) | Northern Territory - Outback |
| Area (SA3) | Barkly |
| Local Government | Barkly |
| State Electorate | Namatjira |
| Time Zone | ACST (UTC+9:30), Australia/Darwin (standard time) |
Age Profile
Show counts
| 0–14 years | 6 (26.1%) |
| 15–24 years | 13 (56.5%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 4 (17.4%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Suburbs Near Costello
Same Postcode (0872)
More Costello 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.