| Total population | 624,000–638,000 peopleUN DESA WPP [2024] 638,500 people·World Bank WDI [2024] 623,500 people |
| Median age | 39.6 yearsUN DESA WPP [2024] |
| Life expectancy | 77.1–77.9 yearsWorld Bank WDI [2024] 77.89 years·UNDP HDI [2023] 77.09 years |
| Ethnic groups | Montenegrin 45%, Serbian 28.7%, Bosniak 8.7%, Albanian 4.9%, Muslim 3.3%, Romani 1%, Croat 1%, other 2.6%, unspecified 4.9% (2011 est.)CIA World Factbook [2025] · 2026 archive |
| Languages | Serbian 42.9%, Montenegrin (official) 37%, Bosnian 5.3%, Albanian 5.3%, Serbo-Croat 2%, other 3.5%, unspecified 4% (2011 est.)CIA World Factbook [2025] · 2026 archive |
| Religions | Orthodox 72.1%, Muslim 19.1%, Catholic 3.4%, atheist 1.2%, other 1.5%, unspecified 2.6% (2011 est.)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 68.5% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | -0.000642 %World Bank WDI [2024] |
| Birth rate | 11.2 per 1,000World Bank WDI [2024] |
| Death rate | 10.2 per 1,000World Bank WDI [2024] |
| Urban population | 65.5 %World Bank WDI [2024] |
| Languages (structured) | Balkan Romani / Central Romani / Gheg Albanian / Sinte-Manus Romani / Vlax RomaniGlottolog [2026] |