| Statistic | Rosser | Manitoba | National |
| Population | 1,494 | 1,387,557 | 38,134,230 |
| Population density (sq km) | 3 | 2 | 4 |
| Median age | 41.5 | 37.5 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 74% | 70% | 66% |
| Families w/ kids at home | 47% | 44% | 43% |
| Speak English only | 96.4% | 89.9% | 68.8% |
| Speak French only | 0.0% | 0.1% | 4.5% |
| Data | Percent |
| South Asian | 2.7% |
| Chinese | 1.3% |
| Filipino | 0.9% |
| Southeast Asian | 0.8% |
| Black | 0.6% |
| Data | Percent |
| United Kingdom | 2.9% |
| India | 0.9% |
| Other Northern Europe | 0.7% |
| Other Southeastern Asia | 0.6% |
| Germany | 0.5% |