| Statistic | Westlock | Alberta | National |
| Population | 5,130 | 4,479,459 | 38,134,230 |
| Population density (sq km) | 372 | 7 | 4 |
| Median age | 44.6 | 37.2 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 65% | 71% | 66% |
| Families w/ kids at home | 33% | 46% | 43% |
| Speak English only | 94.8% | 91.8% | 68.8% |
| Speak French only | 0.0% | 0.1% | 4.5% |
| Data | Percent |
| Filipino | 3.4% |
| Black | 1.2% |
| South Asian | 1.2% |
| Chinese | 0.8% |
| Latin American | 0.4% |
| Data | Percent |
| Philippines | 2.0% |
| United Kingdom | 1.0% |
| India | 0.5% |
| Germany | 0.5% |
| United States | 0.4% |