Number of Administrative Units and Area (Km2) by Sub-County as per the National Government.
| Sub-County | No. of Divisions | No. of Locations | No. of Sub locations | Area (Km2) |
| Baringo Central | 4 | 21 | 53 | 786.5 |
| Baringo North | 5 | 15 | 45 | 1678 |
| Eldama Ravine | 4 | 18 | 36 | 954 |
| Mogotio | 5 | 23 | 50 | 1,375.3 |
| Baringo South | 3 | 18 | 37 | 1,453.4 |
| Tiaty West | 4 | 14 | 33 | 2,500.5 |
| Tiaty East | 3 | 15 | 32 | 2,106.5 |
| Lake Baringo | - | - | - | 186 |
| Lake Bogoria | - | - | - | 34 |
| Lake 94 | - | - | - | 1 |
| Baringo County | 28 | 124 | 286 | 11,075.2 |