| Statistic | Joliette | Joliette | Quebec |
| Population | 4,155 | 21,376 | 8,565,732 |
| Population density (sq km) | 3,323 | 913 | 6 |
| Median age | 50.2 | 46.3 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 27% | 40% | 50% |
| Families w/ kids at home | 22% | 31% | 40% |
| Speak English only | 0.1% | 0.2% | 4.7% |
| Speak French only | 69.2% | 69.6% | 49.5% |
| Data | Percent |
| Black | 2.6% |
| Latin American | 1.9% |
| South Asian | 0.4% |
| Filipino | 0.1% |
| All Other Visible Minorities | 0.0% |
| Data | Percent |
| Colombia | 1.5% |
| France | 1.0% |
| China | 0.3% |
| Haiti | 0.3% |
| Algeria | 0.3% |