Population Density in CardiffWards Ranked
Cardiff has 370,000 people, about 2,620 per km².
All 28 wards in Cardiff, ranked by residents per km². Data: Office for National Statistics (2022), Open Government Licence v3.0.
Open the interactive map| Rank | Ward | Residents per km² | Residents | Area |
|---|---|---|---|---|
| 1 | PlasnewyddCardiff | 11,922 per km² | 19,201 | 1.61 km² |
| 2 | AdamsdownCardiff | 11,771 per km² | 12,723 | 1.08 km² |
| 3 | GabalfaCardiff | 7,222 per km² | 8,984 | 1.24 km² |
| 4 | CathaysCardiff | 7,143 per km² | 23,850 | 3.34 km² |
| 5 | RiversideCardiff | 5,427 per km² | 14,038 | 2.59 km² |
| 6 | CantonCardiff | 5,320 per km² | 16,368 | 3.08 km² |
| 7 | ElyCardiff | 5,196 per km² | 15,680 | 3.02 km² |
| 8 | PentwynCardiff | 4,576 per km² | 16,358 | 3.57 km² |
| 9 | Llandaff NorthCardiff | 4,546 per km² | 8,495 | 1.87 km² |
| 10 | FairwaterCardiff | 4,406 per km² | 13,407 | 3.04 km² |
| 11 | HeathCardiff | 4,062 per km² | 12,847 | 3.16 km² |
| 12 | GrangetownCardiff | 4,008 per km² | 21,240 | 5.3 km² |
| 13 | PenylanCardiff | 3,936 per km² | 13,217 | 3.36 km² |
| 14 | CaerauCardiff | 3,913 per km² | 11,860 | 3.03 km² |
| 15 | LlanrumneyCardiff | 3,899 per km² | 11,667 | 2.99 km² |
| 16 | LlandaffCardiff | 3,502 per km² | 8,956 | 2.56 km² |
| 17 | LlanishenCardiff | 3,264 per km² | 10,599 | 3.25 km² |
| 18 | CyncoedCardiff | 3,072 per km² | 11,659 | 3.79 km² |
| 19 | SplottCardiff | 2,931 per km² | 14,204 | 4.85 km² |
| 20 | RumneyCardiff | 2,317 per km² | 9,094 | 3.92 km² |
| 21 | ButetownCardiff | 2,102 per km² | 12,551 | 5.97 km² |
| 22 | TrowbridgeCardiff | 2,031 per km² | 17,680 | 8.71 km² |
| 23 | Whitchurch and TongwynlaisCardiff | 1,846 per km² | 15,938 | 8.63 km² |
| 24 | RhiwbinaCardiff | 1,827 per km² | 11,691 | 6.4 km² |
| 25 | RadyrCardiff | 1,563 per km² | 7,313 | 4.68 km² |
| 26 | Pontprennau and Old St MellonsCardiff | 1,400 per km² | 12,073 | 8.62 km² |
| 27 | Lisvane and ThornhillCardiff | 1,151 per km² | 10,808 | 9.39 km² |
| 28 | Pentyrch and St FagansCardiff | 332 per km² | 9,588 | 28.8 km² |