Suburb in Groote Archipelago

Umbakumba, NT

Umbakumba had a population of 419 at the 2021 Census (−16.7% since 2016). Median age 29.0. Median weekly household income $436. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Umbakumba at a glance

What the 2021 Census says, compared with Northern Territory.

In Northern Territory - Outback

Between the 2016 and 2021 censuses, Umbakumba's population shrank by 16.7% to 419, slower than Northern Territory as a whole (+1.6%). With a median age of 29.0, it is younger than the NT average (33.0). Children under 10 make up 11.0% of residents, and people aged 70 and over 0.7%.

82.1% of households rent, a larger share than the NT average of 48.6%. 0.0% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 98 households.

The median household earns $436 a week, below the NT average of $2,061.

3.3% of residents were born overseas, fewer than the NT average of 23.9%. 94.5% use a language other than English at home. 70.2% report no religion, higher than the NT average (43.9%).

Key figures

2021 Census, Umbakumba beside NT and Australia.

MeasureUmbakumbaNTAustralia
Population419232,60525,422,788
Growth since 2016−16.7%+1.6%+8.6%
Median age29.033.038.0
Households9870,6609,275,217
Flats and apartments0.0%18.1%14.3%
Renting82.1%48.6%31.1%
Owned outright0.0%16.2%31.4%
Median household income a week$436$2,061$1,746
Median rent a week$125$325$375
Median mortgage repayment a month–$2,000$1,863
Born overseas3.3%23.9%29.3%
Other language at home94.5%36.1%23.6%
No religion70.2%43.9%41.9%

Source: ABS Census 2021, via Censible. How the figures are built

Population and age

Each census since 2011, and the age profile in 2021.

Population

−16.7% since 2016.

Population · each census
  1. 4402011
  2. 5032016
  3. 4192021

Age

Median age 29.0, against 33.0 for Northern Territory.

Umbakumba Northern Territory
Share of people by age, Umbakumba and Northern Territory
0–911.0%
10–1917.7%
20–2921.2%
30–3919.1%
40–4912.6%
50–5911.9%
60–694.3%
70–790.7%
80+0.0%

Source: ABS Census 2021, via Censible. How the figures are built

Cultural background

The largest groups in Umbakumba at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. Australian Aboriginal94.0%
  2. English3.4%
  3. Irish2.3%
  4. Australian2.1%
  5. French1.6%

Languages at home

Top 5 · languages at home
  1. Australian Indigenous languages94.2%

Country of birth

Top 5 · country of birth
  1. England0.8%
  2. New Zealand0.8%

Source: ABS Census 2021, via Censible. How the figures are built

Around Umbakumba

The places it belongs to, sits beside and contains.

Explore Umbakumba in Censible

Every census figure for Umbakumba, mapped and compared with any other place. A free account takes a minute.