Gelligaer Population 2026
Gelligaer has a population of 17,376, making it the #701 biggest city in 🇬🇧 United Kingdom, located in Wales. It is about 516× smaller than London, the country's biggest city.
Population (city proper)
17,376
Rank in United Kingdom
#701
Coordinates
51.66°N, 3.26°W
~233 m elevation · Europe/London
Distance to capital (London)
217 km
135 miles, straight line
Other big cities in Wales
Cities near Gelligaer
- Blackwood15,476 people · ~3 km away
- Pontypridd31,206 people · ~9 km away
- Caerphilly31,060 people · ~10 km away
- Risca20,443 people · ~12 km away
- Merthyr Tydfil43,820 people · ~13 km away
- Ebbw Vale33,068 people · ~13 km away
FAQ
What is the population of Gelligaer?
Gelligaer has a population of 17,376 (city proper, latest official figure via GeoNames), making it the #701 biggest city in United Kingdom.
What region is Gelligaer in?
Gelligaer is located in Wales, United Kingdom.
Is Gelligaer the capital of United Kingdom?
No, the capital of United Kingdom is London, about 217 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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