Guernsey: cities by population
Guernsey has a population of 64,609 (UN estimate, 2026), with St Peter Port as its capital. The 6 largest of its 6 recorded towns and cities, ranked.
+7%
since 2000 (60,269)
-3%
projected by 2050 (62,800)
1010
people per km²
Figures are the latest available in GeoNames (CC BY 4.0), which draws on national censuses of varying dates — treat them as recent, not same-year. Country totals are UN World Population Prospects 2024 (medium variant) where the UN lists the country separately; the handful it reports under a parent state keep a GeoNames figure and are marked as such. Sources & method.
Largest cities in Guernsey
| # | Place | Region | Population |
|---|---|---|---|
| 1 | Saint Peter Port | St Peter Port | 16,488 |
| 2 | Vale Parish | 9,646 | |
| 3 | Saint Sampson | St Sampson | 8,966 |
| 4 | Saint Pierre du Bois Parish | St Pierre du Bois | 2,001 |
| 5 | Forest Parish | Forest | 1,624 |
| 6 | Sark | 600 |
Twenty years earlier: Guernsey in the 2005 World Gazetteer — population then 63,456.
Common questions
What is the population of Guernsey?
Guernsey has a population of 64,609, the UN World Population Prospects estimate for 2026. The UN's medium-variant projection for 2050 is 62,800 — a forecast, not a measurement.
What is the capital of Guernsey?
St Peter Port. The largest place we record there is Saint Peter Port, with 16,488 people.