Thornhill population
Thornhill has a population of 6,635, making it the 5th largest place in Cardiff.
6,635
population (latest)
#5
of 7 in Cardiff
Year-by-year official estimates for the wider area: Cardiff population trends, 2001–2024.
Nearby in Cardiff
| # | Place | Population |
|---|---|---|
| 1 | Whitchurch | 13,974 |
| 2 | Rhiwbina | 11,369 |
| 3 | Llandaff | 8,776 |
| 4 | Radyr | 4,710 |
| 5 | Pentyrch | 2,287 |