Data study
Northern Territory in numbers
Every Northern Territory postcode and suburb ranked by population, household income and age, from the 2021 Census and the national address file. Nightcliff (0810) is the most populated; Alyangula (0885) earns the most; Lajamanu is the youngest suburb.
Most populated postcodes
Residents (2021 Census)
- 10810 · Nightcliff34,330people
- 20822 · Wurrumiyanga25,304people
- 30870 · Gillen20,341people
- 40820 · Larrakeyah19,920people
- 50832 · Zuccoli18,727people
- 60812 · Leanyer18,634people
- 70830 · Durack18,501people
- 80872 · Yulara14,676people
- 90852 · Mataranka8,735people
- 100850 · Katherine East7,873people
Highest household income
Median, per week
- 10885 · Alyangula$3,333/wk
- 20853 · Tindal$2,865/wk
- 30834 · Virginia$2,678/wk
- 40836 · Humpty Doo$2,593/wk
- 50835 · Howard Springs$2,560/wk
- 60880 · Nhulunbuy$2,406/wk
- 70832 · Zuccoli$2,352/wk
- 80820 · Larrakeyah$2,308/wk
- 90828 · Berrimah$2,250/wk
- 100874 · Mount Johns$2,221/wk
Most densely populated
People per km²
- 10800 · Darwin City2,253/km²
- 20810 · Nightcliff1,405/km²
- 30832 · Zuccoli949/km²
- 40812 · Leanyer519/km²
- 50820 · Larrakeyah510/km²
- 60839 · Coolalinga449/km²
- 70870 · Gillen341/km²
- 80885 · Alyangula274/km²
- 90875 · Larapinta86/km²
- 100830 · Durack79/km²
Youngest suburbs
Lowest median age
- 1Lajamanu21yrs
- 2Ali Curung23yrs
- 3Ampilatwatja24yrs
- 4Galiwinku25yrs
- 5Ngukurr25yrs
- 6Santa Teresa25yrs
- 7Warruwi25yrs
- 8Binjari25yrs
Oldest suburbs
Highest median age
- 1Dundee Beach62yrs
- 2Wagait Beach52yrs
- 3Adelaide River52yrs
- 4Connellan48yrs
- 5Darwin River47yrs
- 6Marrara45yrs
- 7Batchelor45yrs
- 8Noonamah45yrs
About this data
Population, income and age figures come from the Australian Bureau of Statistics 2021 Census; postcode and suburb boundaries and address counts come from the Geocoded National Address File (G-NAF). Suburb age rankings exclude localities with fewer than 200 residents to avoid small-sample noise. Both datasets are published under CC BY 4.0 — see our data & attribution page. Free to reuse with a link back to this page.