| Sub-County | Number of Smallholder Dairy Farmers | Desired Sample Size | Actual Sample Size |
| Rongo | 1480 | 222 | 232 |
| Awendo | 88 | 13 | 13 |
| Uriri | 510 | 77 | 77 |
| Kuria West | 450 | 68 | 45 |
| Total | 2528 | 380 | 367 |