Keiyo South is an electoral constituency in Kenya. It is one of four constituencies of Elgeyo-Marakwet County. The constituency has 6 wards, all of which elect a Member of County Assembly (MCA) for Elgeyo Marakwet County which sits in the county Headquarters, Iten. The wards are namely: Metkei, Kabiemit, Chepkorio, Soy South and Kaptarakwa. The constituency was established for the 1969 elections, one of two constituencies of the former Keiyo District.
| Elections | MP [1] | Party | Notes |
|---|---|---|---|
| 1969 | Stanley Kurgat | KANU | One-party system |
| 1974 | Stanley Kurgat | KANU | One-party system |
| 1979 | Nicholas Biwott | KANU | One-party system |
| 1983 | Nicholas Biwott | KANU | One-party system. |
| 1988 | Nicholas Biwott | KANU | One-party system. |
| 1992 | Nicholas Biwott | KANU | |
| 1997 | Nicholas Biwott | KANU | |
| 2002 | Nicholas Biwott | KANU | |
| 2007 | Jackson Kiptanui | ODM | |
| 2013 | Jackson Kiptanui | URP | |
| 2017 | Daniel Rono | Jubilee | |
| 2022 | Gideon Kimaiyo | UDA | |
| Locations | |
| Location | Population* |
|---|---|
| Chemoibon | 4,819 |
| Chepsigot | 2,244 |
| Epke | 2,353 |
| Kabiemit | 6,731 |
| Kamwosor | 6,774 |
| Kapkwony | 2,556 |
| Kaptarakwa | 5,411 |
| Kibargoi | 4,802 |
| Kitany | 7,226 |
| Kocholwo | 6,865 |
| Maoi | 5,640 |
| Marichor | 15,196 |
| Metkei | 3,285 |
| Mosop | 7,754 |
| Nyaru | 8,933 |
| Soy | 10,544 |
| Tumeiyo | 5,213 |
| Total | x |
| 1999 census. [2] | |
| Wards | |
| Ward | Registered Voters |
|---|---|
| Chemoibon | 1,941 |
| Chepsigot | 1,835 |
| Kabiemit | 2,699 |
| Kamwosor | 2,773 |
| Kaptarakwa | 2,728 |
| Kibargoi | 2,071 |
| Kitany | 2,848 |
| Kocholwo | 2,701 |
| Maoi | 1,942 |
| Marichor | 6,196 |
| Metkei | 2,270 |
| Mosop | 2,386 |
| Nyaru | 2,821 |
| Soy ward | 3,922 |
| Tumeiyo | 1,929 |
| Total | 41,062 |
| *September 2005. [3] | |