Olievenhoutbos Ext 20
Sub Place 799078009 from Census 2011
- Area
 - 0.24 km²
 - Population
 - 4,729 (20,094.92 per km²)
 - Households
 - 1,893 (8,043.92 per km²)
 
Gender
 | People | Percentage | 
|---|
| Male | 2,434 | 51.48% | 
| Female | 2,294 | 48.52% | 
Age
 | People | Percentage | 
|---|
| 0–4 | 524 | 11.09% | 
| 5–9 | 353 | 7.47% | 
| 10–14 | 273 | 5.78% | 
| 15–19 | 335 | 7.09% | 
| 20–24 | 644 | 13.63% | 
| 25–29 | 768 | 16.26% | 
| 30–34 | 548 | 11.60% | 
| 35–39 | 439 | 9.29% | 
| 40–44 | 307 | 6.50% | 
| 45–49 | 221 | 4.68% | 
| 50–54 | 130 | 2.75% | 
| 55–59 | 75 | 1.59% | 
| 60–64 | 56 | 1.19% | 
| 65–69 | 21 | 0.44% | 
| 70–74 | 21 | 0.44% | 
| 75–79 | 4 | 0.08% | 
| 80–84 | 2 | 0.04% | 
| 85+ | 3 | 0.06% | 
Population group
 | People | Percentage | 
|---|
| Black African | 4,670 | 98.73% | 
| Coloured | 26 | 0.55% | 
| Other | 18 | 0.38% | 
| Indian or Asian | 13 | 0.27% | 
| White | 3 | 0.06% | 
First language
 | People | Percentage | 
|---|
| Sepedi | 1,551 | 32.80% | 
| isiZulu | 673 | 14.23% | 
| isiXhosa | 487 | 10.30% | 
| isiNdebele | 410 | 8.67% | 
| Setswana | 399 | 8.44% | 
| Sesotho | 393 | 8.31% | 
| Xitsonga | 203 | 4.29% | 
| English | 169 | 3.57% | 
| Other | 162 | 3.43% | 
| Tshivenda | 144 | 3.05% | 
| Afrikaans | 59 | 1.25% | 
| SiSwati | 55 | 1.16% | 
| Sign language | 24 | 0.51% |