Caerphilly vs Cardiff
A side-by-side comparison of the Caerphilly and Cardifflocal authority areas — population, density, deprivation and age profile, from ONS Census 2021 and each nation’s Indices of Deprivation.
In short: Cardiff is the more populous.
| Caerphilly | Cardiff | |
|---|---|---|
| Population | 175,952 | 362,308 |
| Density | 634/km² | 2,571/km² |
| Deprivation | 10% in most-deprived 10% | 18% in most-deprived 10% |
| Council tax (Band D) | — | — |
| Schools Good/Outstanding | — | — |
| Aged under 16 | 18% | 18% |
| Aged 16–64 | 61% | 67% |
| Aged 65+ | 20% | 14% |