| Sub-County | Wards | Target population | Proportionate | Sample size |
| Nakuru East | Nakuru East | 224 | 0.3 | 78 |
| Biashara | 365 | 0.5 | 130 | |
| Nakuru West | Kaptembwo | 150 | 0.2 | 52 |
| TOTAL |
| 739 | 1 | 260 |