Willoughby Population (NSW)
In 2011 there were 5921 people living in Willoughby. 48.2% are male and 51.8% are female. Willoughby has a population of 11 indigenous people.
| Willoughby Population Summary 2011 | # | % |
|---|---|---|
| Indigenous Females | 3 | 0.1% |
| Indigenous Males | 8 | 0.1% |
| Indigenous Population | 11 | 0.2% |
| Females born in Australia | 1914 | 32.3% |
| Males born in Australia | 1847 | 31.2% |
| People born in Australia | 3761 | 63.5% |
| Female Population | 3067 | 51.8% |
| Male Population | 2854 | 48.2% |
| Total Population | 5921 | 100% |

| Willoughby Population by Age Range 2011 | # Males | % Males | # Females | % Females | # Total | % Total |
|---|---|---|---|---|---|---|
| 0 - 4 | 276 | 4.7% | 254 | 4.3% | 530 | 9.0% |
| 5 - 14 | 423 | 7.1% | 356 | 6.0% | 779 | 13.2% |
| 15 - 19 | 143 | 2.4% | 141 | 2.4% | 284 | 4.8% |
| 20 - 24 | 114 | 1.9% | 129 | 2.2% | 243 | 4.1% |
| 25 - 34 | 347 | 5.9% | 406 | 6.9% | 753 | 12.7% |
| 35 - 44 | 550 | 9.3% | 568 | 9.6% | 1118 | 18.9% |
| 45 - 54 | 394 | 6.7% | 418 | 7.1% | 812 | 13.7% |
| 55 - 64 | 275 | 4.6% | 324 | 5.5% | 599 | 10.1% |
| 65 - 74 | 168 | 2.8% | 191 | 3.2% | 359 | 6.1% |
| 75 - 84 | 116 | 2.0% | 162 | 2.7% | 278 | 4.7% |
| 85+ | 48 | 0.8% | 118 | 2.0% | 166 | 2.8% |