| Statistic | Williamstown | Airdrie | Alberta |
| Population | 3,494 | 79,163 | 4,479,459 |
| Population density (sq km) | 3,824 | 883 | 7 |
| Median age | 32.3 | 34.3 | 37.2 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 74% | 71% | 71% |
| Families w/ kids at home | 54% | 53% | 46% |
| Speak English only | 91.6% | 91.7% | 91.8% |
| Speak French only | 0.2% | 0.1% | 0.1% |
| Data | Percent |
| Black | 4.2% |
| South Asian | 4.1% |
| Chinese | 2.7% |
| Filipino | 2.0% |
| Latin American | 1.8% |
| Data | Percent |
| United Kingdom | 1.9% |
| India | 0.9% |
| Philippines | 0.7% |
| South Africa | 0.4% |
| United States | 0.4% |