| Statistic | Marsh Lake | Yukon | National |
| Population | 766 | 41,866 | 38,134,230 |
| Population density (sq km) | 1 | 0 | 4 |
| Median age | 54.4 | 39.9 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 62% | 55% | 66% |
| Families w/ kids at home | 21% | 39% | 43% |
| Speak English only | 83.4% | 85.6% | 68.8% |
| Speak French only | 0.7% | 0.3% | 4.5% |
| Data | Percent |
| N/A | 0.0% |
| Data | Percent |
| Germany | 5.3% |
| Other Western Europe | 4.9% |
| United States | 3.3% |
| Other Northern Europe | 2.7% |
| United Kingdom | 2.5% |