| Total population | 64,300 peopleUN DESA WPP [2024] |
| Median age | 44.1 yearsUN DESA WPP [2024] |
| Life expectancy | No authoritative open source found |
| Ethnic groups | Guernsey 53.5%, UK and Ireland 23.8%, Portugal 2.1%, Latvia 1.4%, other Europe 2.7%, other Crown Dependencies 0.7%, other 5.3%, unspecified 10.5% (2022 est.); note: data represent population by country of birth; the native population is of British and Norman-French descentCIA World Factbook [2025] · 2026 archive |
| Languages | English, French, Norman-French dialect spoken in country districtsCIA World Factbook [2025] · 2026 archive |
| Religions | Protestant (Anglican, Presbyterian, Baptist, Congregational, Methodist), Roman CatholicCIA World Factbook [2025] · 2026 archive |
| Urbanization | 31.2% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | No authoritative open source found |
| Birth rate | No authoritative open source found |
| Death rate | No authoritative open source found |
| Urban population | No authoritative open source found |
| Languages (structured) | EnglishGlottolog [2026] |