18,739 ▲ +5.1%
Lower than 87% of sub-region (sa3) areas.
- 2011: 17,823
- 2016: 18,710
- 2021: 18,739
The number of people who usually live in the area, counted on Census night.
Katherine · Sub-region (SA3)
Demographics & Identity in Katherine
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Katherine is just 30 years old, making it one of the youngest areas at this level. This youthful profile is driven by a high proportion of children and a very strong Indigenous presence, with nearly half the population identifying as Aboriginal and Torres Strait Islander.
18,739
▲ +5.1%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–6: 0 areas
- 6–9: 2 areas
- 9–15: 2 areas
- 15–23: 1 area
- 23–37: 0 areas
- 37–57: 1 area
- 57–90: 0 areas
- 90–141: 1 area
- 141–221: 1 area
- 221–347: 1 area
- 347–545: 2 areas
- 545–854: 3 areas
- 854–1,340: 0 areas
- 1,340–2,101: 3 areas
- 2,101–3,296: 1 area
- 3,296–5,169: 2 areas
- 5,169–8,107: 3 areas
- 8,107–12,714: 7 areas
- 12,714–19,940: 16 areas
- 19,940–31,273: 30 areas
- 31,273–49,048: 61 areas
- 49,048–76,924: 90 areas
- 76,924–120,643: 70 areas
- 120,643–189,211: 46 areas
- 189,211–296,748: 12 areas
All sub-region (sa3) areas, 2021. The marker is Katherine — lower than 87% of areas.
| Katherine | 18,739 |
|---|---|
| Rest of NT | 89,103 |
| Northern Territory | 232,605 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew by 5.1% since 2011, adding about 916 people to reach a total of 18,739. Residents are far younger than the national figure, though the typical age has risen by two years since 2011.
30 yrs ▲ +7.1%
Younger than 99% of sub-region (sa3) areas.
- 2011: 28 yrs
- 2016: 29 yrs
- 2021: 30 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 23.5% of the area, which is well above the national figure. Conversely, seniors aged 65 and over represent just 7.4% of the population, a figure well below the Australian average.
7.4% ▲ +38.9%
Lower than 97% of sub-region (sa3) areas.
- 2011: 5.3%
- 2016: 6.7%
- 2021: 7.4%
Share of the population aged 65 years and over.
23.5% ▼ -17.4%
Higher than 94% of sub-region (sa3) areas.
- 2011: 28.4%
- 2016: 25.7%
- 2021: 23.5%
Share of the population aged under 15 years.
Age structure
View on map →In Katherine, the largest group is Young adults (25–44) at 32%, followed by Children (0–14) (23%) and Older adults (45–64) (21%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 49.6% of the community, which is far above the figures for both the Territory and Australia. De facto relationships are also common here, at 16.2%, which is well above the national average.
49.6% ▼ -4.6%
Higher than 99% of sub-region (sa3) areas.
- 2011: 52.0%
- 2016: 48.9%
- 2021: 49.6%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
16.2% ▲ +13.9%
Higher than 89% of sub-region (sa3) areas.
- 2011: 14.2%
- 2016: 15.0%
- 2021: 16.2%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Katherine, the largest group is Never married at 47%, followed by Married (40%) and Divorced (6%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Katherine
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Katherine [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/70205/katherine/topic/demographics-identity