| County | Public Departments | No. of County Directors | No. of Line Staff | Sample Size per County |
| Samburu | 6 | 6 | 6 × 6 = 36 | 42 |
| Makueni | 6 | 6 | 6 × 6 = 36 | 42 |
| Kirinyaga | 6 | 6 | 6 × 6 = 36 | 42 |
| Nairobi | 6 | 6 | 6 × 6 = 36 | 42 |
| Kilifi | 6 | 6 | 6 × 6 = 36 | 42 |
| Homa bay | 6 | 6 | 6 × 6 = 36 | 42 |
| Bungoma | 6 | 6 | 6 × 6 = 36 | 42 |
| Garissa | 6 | 6 | 6 × 6 = 36 | 42 |
| TOTAL | 48 | 48 | 288 | 336 |