| Elections | MP | Party | Notes |
|---|---|---|---|
| 1997 | John Kiptoo Marirmoi | KANU | |
| 2002 | Linah Jebii Kilimo | NARC | |
| 2007 | Linah Jebii Kilimo | KENDA |
| Wards | |
| Ward | Registered Voters |
|---|---|
| Embobut | 2,482 |
| Embolot | 1,847 |
| Endo | 2,981 |
| Kaptich | 1,440 |
| Kapyego | 2,433 |
| Kipkaner | 1,688 |
| Koibirir | 2,373 |
| Mokoro | 1,755 |
| Mon | 3,026 |
| Murkutwo | 1,731 |
| Sambirir | 3,301 |
| Total | 25,057 |