Llanelli Population 2026
Llanelli has a population of 49,591, making it the #242 biggest city in 🇬🇧 United Kingdom, located in Wales. Roughly 0.1% of United Kingdom's population lives here. It is about 181× smaller than London, the country's biggest city.
Population (city proper)
49,591
Rank in United Kingdom
#242
Coordinates
51.68°N, 4.16°W
~13 m elevation · Europe/London
Distance to capital (London)
279 km
173 miles, straight line
Other big cities in Wales
Cities near Llanelli
- Gorseinon20,581 people · ~8 km away
- Swansea300,352 people · ~17 km away
- Ammanford23,709 people · ~17 km away
- Clydach19,307 people · ~18 km away
- Carmarthen15,854 people · ~22 km away
- Briton Ferry35,179 people · ~24 km away
FAQ
What is the population of Llanelli?
Llanelli has a population of 49,591 (city proper, latest official figure via GeoNames), making it the #242 biggest city in United Kingdom.
What region is Llanelli in?
Llanelli is located in Wales, United Kingdom.
Is Llanelli the capital of United Kingdom?
No, the capital of United Kingdom is London, about 279 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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