Penarth Population 2026
Penarth has a population of 23,437, making it the #527 biggest city in 🇬🇧 United Kingdom, located in Wales. It is about 382× smaller than London, the country's biggest city.
Population (city proper)
23,437
Rank in United Kingdom
#527
Coordinates
51.44°N, 3.17°W
~51 m elevation · Europe/London
Distance to capital (London)
211 km
131 miles, straight line
Other big cities in Wales
Cities near Penarth
- Cardiff372,089 people · ~5 km away
- Barry54,673 people · ~9 km away
- Caerphilly31,060 people · ~15 km away
- Weston-super-Mare82,903 people · ~17 km away
- Risca20,443 people · ~19 km away
- Newport161,506 people · ~21 km away
FAQ
What is the population of Penarth?
Penarth has a population of 23,437 (city proper, latest official figure via GeoNames), making it the #527 biggest city in United Kingdom.
What region is Penarth in?
Penarth is located in Wales, United Kingdom.
Is Penarth the capital of United Kingdom?
No, the capital of United Kingdom is London, about 211 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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