Mt Isa
Resident Population by Age Group, June 2011
| Age Group | Persons |
| 0 to 14 | 10,920 |
| 15 to 24 | 6,560 |
| 25 to 34 | 7,846 |
| 35 to 44 | 6,692 |
| 45 to 54 | 6,497 |
| 55 to 64 | 4,685 |
| 65 and over | 4,103 |
Chart Source : ABS Estimated Resident Population (ERP), June 2011.
Note: Data are concorded from 2011 Statistical Area Level (SA2). A population weighted concordance is used to calculate figures for Employment Services Areas (ESAs) and Labour Market Regions (LMRs).