| People | Percentage | |
|---|---|---|
| Male | 18,359 | 51.62% |
| Female | 17,204 | 48.38% |
| People | Percentage | |
|---|---|---|
| Black African | 20,188 | 56.77% |
| White | 13,251 | 37.26% |
| Indian or Asian | 1,125 | 3.16% |
| Coloured | 634 | 1.78% |
| Other | 365 | 1.03% |
| People | Percentage | |
|---|---|---|
| Afrikaans | 12,621 | 37.62% |
| isiZulu | 8,402 | 25.04% |
| Sesotho | 6,174 | 18.40% |
| English | 2,878 | 8.58% |
| isiXhosa | 971 | 2.89% |
| Other | 601 | 1.79% |
| Sepedi | 452 | 1.35% |
| isiNdebele | 346 | 1.03% |
| Setswana | 332 | 0.99% |
| Xitsonga | 288 | 0.86% |
| Sign language | 208 | 0.62% |
| Tshivenda | 156 | 0.47% |
| SiSwati | 120 | 0.36% |
| Not applicable | 2,015 |
| Name | Population | Area (km²) |
|---|---|---|
| Bergsig | 2,146 | 1.46 |
| Boschfontein AH | 201 | 6.60 |
| Heidelberg AH | 696 | 2.01 |
| Heidelberg Central | 4,739 | 5.62 |
| Heidelberg Ext 5 | 1,358 | 0.49 |
| Heidelberg SP | 15,641 | 3.91 |
| Jordaan Park | 1,959 | 2.42 |
| Overkruin | 1,152 | 2.83 |
| Ratanda | 1,859 | 0.95 |
| Rensburgdorp | 5,239 | 2.60 |
| Rifle Range Military Camp | 361 | 8.45 |
| Springfield | 209 | 2.91 |