Costello Postcode

Northern Territory

Very Remote Bottom 20% SEIFA Above NT income
0872
Postcode for Costello, NT
Phone area code: 08 · 1167 km from Darwin · Pop. 23
23
Population
20
Median Age
$2,749
Household Income/wk
$N/A
Median Rent/wk
1/10
SEIFA Advantage
39158.4
Area (km²)

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.

How Costello Compares

Costello vs the NT average and the national average (2021 Census, population-weighted).

MetricCostelloNT avgAU 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

Postcode0872
StateNorthern Territory (NT)
Phone Area Code08
Population (2021)23
Median Age20 years
Median Household Income (Census 2021)$2,749/week
Median Personal Income (Census 2021)$885/week
Average Household Size2 persons
Area39158.4 km²
Population Density0/km²
Australian Citizens100.0%
Unemployment Rate0.0%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-21.152
Longitude136.998
Distance from Darwin1167 km
Region (SA4)Northern Territory - Outback
Area (SA3)Barkly
Local GovernmentBarkly

Age Profile

0–14 (26.1%) 15–24 (56.5%) 25–44 (0.0%) 45–64 (17.4%) 65+ (0.0%)
Show counts
0–14 years6 (26.1%)
15–24 years13 (56.5%)
25–44 years0 (0.0%)
45–64 years4 (17.4%)
65+ years0 (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

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.