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© 2026 STATLAS. Data under CC BY 4.0 from World Bank, GeoNames, Open-Meteo & others.

Indices labeled “modeled” are computed estimates — see methodology.

CitiesCaerphillyPopulation

Population in Caerphilly

United Kingdom · Caerphilly profile

Population

31,060

people

World rank

#18635

of 33750

Percentile

45%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Caerphilly profile

FAQ

Frequently asked

What is the population in Caerphilly?

Caerphilly has a population of 31,060 people. Total resident population.

How does Caerphilly rank for population?

Caerphilly ranks #18635 of 33750 cities for population (higher is better).