| Statistic | Carstairs | Alberta | National |
| Population | 4,614 | 4,479,459 | 38,134,230 |
| Population density (sq km) | 383 | 7 | 4 |
| Median age | 38.8 | 37.2 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 75% | 71% | 66% |
| Families w/ kids at home | 43% | 46% | 43% |
| Speak English only | 96.8% | 91.8% | 68.8% |
| Speak French only | 0.0% | 0.1% | 4.5% |
| Data | Percent |
| South Asian | 1.7% |
| Black | 0.5% |
| Arab | 0.5% |
| Multiple Visible Minorities | 0.5% |
| Japanese | 0.4% |
| Data | Percent |
| United Kingdom | 2.6% |
| Other Northern Europe | 0.6% |
| United States | 0.6% |
| Germany | 0.5% |
| Netherlands | 0.4% |