| | Tonypandy  | Rhondda, Cynon, Taff (Unitary Authority) | Wales |
| All People (Persons)1 | Count | 3,496 | 231,946 | 2,903,085 |
| White (Persons)1 | Count | 3,478 | 229,273 | 2,841,505 |
| White: British (Persons)1 | Count | 3,446 | 226,091 | 2,786,605 |
| White: Irish (Persons)1 | Count | 7 | 881 | 17,689 |
| White: Other White (Persons)1 | Count | 25 | 2,301 | 37,211 |
| Mixed (Persons)1 | Count | 9 | 812 | 17,661 |
| Mixed: White and Black Caribbean (Persons)1 | Count | 3 | 202 | 5,996 |
| Mixed: White and Black African (Persons)1 | Count | 0 | 113 | 2,413 |
| Mixed: White and Asian (Persons)1 | Count | 3 | 281 | 5,001 |
| Mixed: Other Mixed (Persons)1 | Count | 3 | 216 | 4,251 |
| Asian or Asian British (Persons)1 | Count | 6 | 928 | 25,448 |
| Asian or Asian British: Indian (Persons)1 | Count | 0 | 479 | 8,261 |
| Asian or Asian British: Pakistani (Persons)1 | Count | 6 | 263 | 8,287 |
| Asian or Asian British: Bangladeshi (Persons)1 | Count | 0 | 57 | 5,436 |
| Asian or Asian British: Other Asian (Persons)1 | Count | 0 | 129 | 3,464 |
| Black or Black British (Persons)1 | Count | 3 | 207 | 7,069 |
| Black or Black British: Caribbean (Persons)1 | Count | 0 | 69 | 2,597 |
| Black or Black British: African (Persons)1 | Count | 3 | 113 | 3,727 |
| Black or Black British: Other Black (Persons)1 | Count | 0 | 25 | 745 |
| Chinese or Other Ethnic Group (Persons)1 | Count | 0 | 726 | 11,402 |
| Chinese or Other Ethnic Group: Chinese (Persons)1 | Count | 0 | 542 | 6,267 |
| Chinese or Other Ethnic Group: Other Ethnic Group (Persons)1 | Count | 0 | 184 | 5,135 |
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