Cardiff Population 2026
The population of Cardiff, United Kingdom is 317 591 for 2026. Cardiff ranks 13 in terms of population in United Kingdom from 194 cities. Chislennost.com uses information from reliable sources. Find out the population of a country, city, district at Chislennost.com.
Population of Cardiff
317 591 people
Flag of United Kingdom
Data for 2026
The site chislennost.com uses information from official sources and is updated every month. Some data may differ due to the lack of the latest census.
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FAQ
⚡ When was the population counted?
A population count in Cardiff was carried out in 2026.
⚡ What place does Cardiff have in terms of population in United Kingdom?
Cardiff is ranked 13 in the city population ranking in United Kingdom.
⚡ What place does Cardiff have in terms of population in the world?
Cardiff is ranked 1170 in the city population ranking in the world.