Thornleigh Population (NSW)
In 2011 there were 8115 people living in Thornleigh. 49.0% are male and 51.0% are female. Thornleigh has a population of 30 indigenous people.
| Thornleigh Population Summary 2011 | # | % |
|---|---|---|
| Indigenous Females | 13 | 0.2% |
| Indigenous Males | 17 | 0.2% |
| Indigenous Population | 30 | 0.4% |
| Females born in Australia | 2773 | 34.2% |
| Males born in Australia | 2672 | 32.9% |
| People born in Australia | 5445 | 67.1% |
| Female Population | 4139 | 51.0% |
| Male Population | 3976 | 49.0% |
| Total Population | 8115 | 100% |

| Thornleigh Population by Age Range 2011 | # Males | % Males | # Females | % Females | # Total | % Total |
|---|---|---|---|---|---|---|
| 0 - 4 | 315 | 3.9% | 308 | 3.8% | 623 | 7.7% |
| 5 - 14 | 594 | 7.3% | 564 | 7.0% | 1158 | 14.3% |
| 15 - 19 | 276 | 3.4% | 236 | 2.9% | 512 | 6.3% |
| 20 - 24 | 263 | 3.2% | 197 | 2.4% | 460 | 5.7% |
| 25 - 34 | 405 | 5.0% | 449 | 5.5% | 854 | 10.5% |
| 35 - 44 | 659 | 8.1% | 707 | 8.7% | 1366 | 16.8% |
| 45 - 54 | 556 | 6.9% | 622 | 7.7% | 1178 | 14.5% |
| 55 - 64 | 416 | 5.1% | 445 | 5.5% | 861 | 10.6% |
| 65 - 74 | 304 | 3.7% | 337 | 4.2% | 641 | 7.9% |
| 75 - 84 | 150 | 1.8% | 183 | 2.3% | 333 | 4.1% |
| 85+ | 37 | 0.5% | 91 | 1.1% | 128 | 1.6% |