Kortnek
Main Place 579024 from Census 2011
- Area
 - 10.14 km²
 - Population
 - 810 (79.86 per km²)
 - Households
 - 150 (14.79 per km²)
 
Gender
 | People | Percentage | 
|---|
| Female | 447 | 55.12% | 
| Male | 364 | 44.88% | 
Age
 | People | Percentage | 
|---|
| 0–4 | 104 | 12.84% | 
| 5–9 | 101 | 12.47% | 
| 10–14 | 113 | 13.95% | 
| 15–19 | 127 | 15.68% | 
| 20–24 | 86 | 10.62% | 
| 25–29 | 41 | 5.06% | 
| 30–34 | 33 | 4.07% | 
| 35–39 | 37 | 4.57% | 
| 40–44 | 33 | 4.07% | 
| 45–49 | 39 | 4.81% | 
| 50–54 | 18 | 2.22% | 
| 55–59 | 33 | 4.07% | 
| 60–64 | 14 | 1.73% | 
| 65–69 | 11 | 1.36% | 
| 70–74 | 6 | 0.74% | 
| 75–79 | 7 | 0.86% | 
| 80–84 | 2 | 0.25% | 
| 85+ | 5 | 0.62% | 
Population group
 | People | Percentage | 
|---|
| Black African | 808 | 99.75% | 
| Indian or Asian | 1 | 0.12% | 
| White | 1 | 0.12% | 
First language
 | People | Percentage | 
|---|
| isiZulu | 758 | 93.58% | 
| isiNdebele | 27 | 3.33% | 
| English | 11 | 1.36% | 
| Afrikaans | 8 | 0.99% | 
| Sepedi | 2 | 0.25% | 
| Sign language | 2 | 0.25% | 
| Xitsonga | 2 | 0.25% |