| Total population | 33,600–34,000 peopleUN DESA WPP [2024] 33,580 people·World Bank WDI [2024] 33,980 people |
| Median age | 48 yearsUN DESA WPP [2024] |
| Life expectancy | 85.7–85.8 yearsWorld Bank WDI [2024] 85.82 years·UNDP HDI [2023] 85.71 years |
| Ethnic groups | Sammarinese, ItalianCIA World Factbook [2025] · 2026 archive |
| Languages | ItalianCIA World Factbook [2025] · 2026 archive |
| Religions | Roman CatholicCIA World Factbook [2025] · 2026 archive |
| Urbanization | 97.8% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 0.345 %World Bank WDI [2024] |
| Birth rate | 4.2 per 1,000World Bank WDI [2024] |
| Death rate | 7.5 per 1,000World Bank WDI [2024] |
| Urban population | 97.2 %World Bank WDI [2024] |
| Languages (structured) | Italian / RomagnolGlottolog [2026] |