| Statistic | Summerside | Prince Edward Island | National |
| Population | 15,987 | 160,374 | 38,134,230 |
| Population density (sq km) | 535 | 27 | 4 |
| Median age | 47.1 | 43.7 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 66% | 71% | 66% |
| Families w/ kids at home | 34% | 40% | 43% |
| Speak English only | 85.9% | 86.6% | 68.8% |
| Speak French only | 0.1% | 0.1% | 4.5% |
| Data | Percent |
| Filipino | 1.2% |
| Black | 0.6% |
| Chinese | 0.6% |
| Latin American | 0.3% |
| Korean | 0.3% |
| Data | Percent |
| Philippines | 1.0% |
| United Kingdom | 0.8% |
| United States | 0.6% |
| China | 0.3% |
| Germany | 0.2% |