Population
+27.3% since 2016.
Mount Isa City had a population of 170 at the 2021 Census (+27.3% since 2016). Median age 30.9. Median weekly household income $2,444. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
What the 2021 Census says, compared with Queensland.
Between the 2016 and 2021 censuses, Mount Isa City's population grew by 27.3% to 170, faster than Queensland as a whole (+9.6%). With a median age of 30.9, it is younger than the QLD average (38.2). Children under 10 make up 9.4% of residents, and people aged 70 and over 6.5%.
69.2% of households rent, a larger share than the QLD average of 33.6%. 10.3% own their home outright. Flats and apartments are more common than in Queensland overall: 17.9% of homes, against 12.5%. The 2021 Census counted 39 households.
The median household earns $2,444 a week, above the QLD average of $1,676.
21.9% of residents were born overseas, fewer than the QLD average of 24.1%. 17.4% use a language other than English at home. 44.7% report no religion, close to the QLD average (44.8%).
2021 Census, Mount Isa City beside QLD and Australia.
| Measure | Mount Isa City | QLD | Australia |
|---|---|---|---|
| Population | 170 | 5,156,158 | 25,422,828 |
| Growth since 2016 | +27.3% | +9.6% | +8.6% |
| Median age | 30.9 | 38.2 | 38.2 |
| Households | 39 | 1,869,452 | 9,275,123 |
| Flats and apartments | 17.9% | 12.5% | 14.3% |
| Renting | 69.2% | 33.6% | 31.1% |
| Owned outright | 10.3% | 29.5% | 31.4% |
| Median household income a week | $2,444 | $1,676 | $1,747 |
| Median rent a week | $106 | $364 | $376 |
| Median mortgage repayment a month | – | $1,740 | $1,866 |
| Born overseas | 21.9% | 24.1% | 29.3% |
| Other language at home | 17.4% | 14.1% | 23.6% |
| No religion | 44.7% | 44.8% | 41.9% |
Source: ABS Census 2021, via Censible. How the figures are built
Each census since 2011, and the age profile in 2021.
+27.3% since 2016.
Median age 30.9, against 38.2 for Queensland.
Source: ABS Census 2021, via Censible. How the figures are built
The largest groups in Mount Isa City at the 2021 Census.
Source: ABS Census 2021, via Censible. How the figures are built
The places it belongs to, sits beside and contains.
Every census figure for Mount Isa City, mapped and compared with any other place. A free account takes a minute.