| People | Percentage | |
|---|---|---|
| Male | 21,127 | 52.56% |
| Female | 19,071 | 47.44% |
| People | Percentage | |
|---|---|---|
| 0–4 | 3,073 | 7.64% |
| 5–9 | 2,548 | 6.34% |
| 10–14 | 2,407 | 5.99% |
| 15–19 | 2,584 | 6.43% |
| 20–24 | 3,249 | 8.08% |
| 25–29 | 4,583 | 11.40% |
| 30–34 | 3,944 | 9.81% |
| 35–39 | 3,203 | 7.97% |
| 40–44 | 3,005 | 7.47% |
| 45–49 | 2,899 | 7.21% |
| 50–54 | 3,140 | 7.81% |
| 55–59 | 2,320 | 5.77% |
| 60–64 | 1,374 | 3.42% |
| 65–69 | 732 | 1.82% |
| 70–74 | 519 | 1.29% |
| 75–79 | 289 | 0.72% |
| 80–84 | 177 | 0.44% |
| 85+ | 155 | 0.39% |
| People | Percentage | |
|---|---|---|
| White | 28,910 | 71.92% |
| Black African | 8,283 | 20.61% |
| Coloured | 1,508 | 3.75% |
| Indian or Asian | 1,225 | 3.05% |
| Other | 270 | 0.67% |
| People | Percentage | |
|---|---|---|
| Afrikaans | 27,197 | 69.55% |
| English | 5,198 | 13.29% |
| isiZulu | 2,551 | 6.52% |
| Sesotho | 990 | 2.53% |
| isiXhosa | 554 | 1.42% |
| SiSwati | 459 | 1.17% |
| Sepedi | 455 | 1.16% |
| Setswana | 433 | 1.11% |
| Other | 388 | 0.99% |
| Xitsonga | 361 | 0.92% |
| isiNdebele | 278 | 0.71% |
| Tshivenda | 163 | 0.42% |
| Sign language | 79 | 0.20% |
| Not applicable | 1,093 |
| Name | Population | Area (km²) |
|---|---|---|
| Holfontein | 986 | 2.43 |
| Sasol Secunda | 782 | 72.44 |
| Secunda Ext 10 | 1,168 | 0.49 |
| Secunda Ext 12 | 579 | 0.33 |
| Secunda Ext 13 & 32 | 1,391 | 1.19 |
| Secunda Ext 15 | 1,457 | 0.46 |
| Secunda Ext 16 | 3,143 | 1.04 |
| Secunda Ext 17 | 908 | 0.52 |
| Secunda Ext 18 | 416 | 0.15 |
| Secunda Ext 2 | 1,674 | 0.83 |
| Secunda Ext 20 | 2,481 | 1.91 |
| Secunda Ext 22 | 5,361 | 2.78 |
| Secunda EXt 28 | 28 | 2.70 |
| Secunda Ext 31 | 17 | 0.83 |
| Secunda Ext 6 | 2,111 | 1.40 |
| Secunda Ext 7 | 1,675 | 0.84 |
| Secunda Ext 8 | 2,484 | 1.22 |
| Secunda Ext 9 | 2,440 | 0.87 |
| Secunda SP 2 | 291 | 33.90 |
| Secunda SP 3 | 4 | 20.72 |
| Secunda SP1 | 10,339 | 5.01 |
| Winkelhaak Mines | 463 | 21.66 |