Data study
Australian Capital Territory in numbers
Every Australian Capital Territory postcode and suburb ranked by population, household income and age, from the 2021 Census and the national address file. Holt (2615) is the most populated; Deakin (2600) earns the most; Acton is the youngest suburb.
Most populated postcodes
Residents (2021 Census)
- 12615 · Holt47,356people
- 22913 · Ngunnawal39,396people
- 32617 · Belconnen38,073people
- 42611 · Denman Prospect36,535people
- 52914 · Harrison34,576people
- 62602 · Lyneham34,540people
- 72905 · Calwell28,731people
- 82614 · Macquarie20,595people
- 92612 · Braddon18,965people
- 102906 · Gordon18,107people
Highest household income
Median, per week
- 12600 · Deakin$3,016/wk
- 22603 · Griffith$2,991/wk
- 32605 · Curtin$2,894/wk
- 42914 · Harrison$2,841/wk
- 52911 · Crace$2,807/wk
- 62904 · Monash$2,577/wk
- 72611 · Denman Prospect$2,482/wk
- 82604 · Kingston$2,434/wk
- 92913 · Ngunnawal$2,429/wk
- 102607 · Farrer$2,418/wk
Most densely populated
People per km²
- 12604 · Kingston2,372/km²
- 22914 · Harrison2,098/km²
- 32612 · Braddon2,006/km²
- 42614 · Macquarie1,850/km²
- 52913 · Ngunnawal1,806/km²
- 62906 · Gordon1,614/km²
- 72602 · Lyneham1,572/km²
- 82903 · Wanniassa1,479/km²
- 92905 · Calwell1,450/km²
- 102607 · Farrer1,432/km²
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.