County Regions
Rift Valley Region
The fourth region, Rift valley is the largest with fourteen counties. Six of the counties featured in the top league namely; Bomet, ElgeyoMarakwet, West Pokot, Kericho, Nandi and UasinGishu. The Happiest County Samburu and the most Optimistic county Baringo are found in this region where the average CountyTrak performance index was 55.3%.
2015
| # | COUNTY | POPULATION CENSUS 2009 | COUNTYTRAK PERFORMANCE INDEX |
| 1 | BOMET | 730,129 | 58.7% |
| 2 | ELGEYO MARAKWET | 369,998 | 58.3% |
| 3 | WEST POKOT | 512,690 | 58.2% |
| 4 | KERICHO | 752,396 | 57.6% |
| 5 | NANDI | 752,965 | 56.5% |
| 6 | UASIN GISHU | 894,179 | 56.4% |
| 7 | NAKURU | 399,227 | 55.0% |
| 8 | SAMBURU | 223,947 | 54.9% |
| 9 | NAROK | 850,920 | 54.7% |
| 10 | BARINGO | 555,561 | 54.4% |
| 11 | TRANS NZOIA | 818,757 | 53.3% |
| 12 | KAJIADO | 687,312 | 53.2% |
| 13 | LAIKIPIA | 399,227 | 52.8% |
| 14 | TURKANA | 855,399 | 49.9% |
| 8802707 | 55.3% |
2020
| # | COUNTY | POPULATION CENSUS 2020 | COUNTYTRAK PERFORMANCE INDEX |
| 1 | UASIN GISHU | 1,163,186 | 53.10% |
| 2 | WEST POKOT | 621,241 | 52.70% |
| 3 | ELGEYO/MARAKWET | 454,480 | 51.20% |
| 4 | KERICHO | 901,777 | 50.60% |
| 5 | NANDI | 885,711 | 49.40% |
| 6 | NAKURU | 2,162,202 | 48.70% |
| 7 | TURKANA | 926,976 | 48.60% |
| 8 | BOMET | 875,689 | 47.60% |
| 9 | BARINGO | 666,763 | 46.90% |
| 10 | LAIKIPIA | 518,560 | 45.70% |
| 11 | KAJIADO | 1,117,840 | 44.90% |
| 12 | NAROK | 1,157,873 | 43.50% |
| 13 | TRANS NZOIA | 990,341 | 43.40% |
| 14 | SAMBURU | 310,327 | 42.20% |
| 12,752,966 | 47.75% |
Bomet County(2020)
| Governor | BARCHOK HILLARY KIPNGENO |
| Senator | LANGAT CHRISTOPHER ANDREW |
| Women Representative | CHEPKOECH JOYCE KORIR |
Elgeyo Marakwet County
| Governor | ALEX TANUI TOLGOS |
| Senator | KIPCHUMBA MURKOMEN |
| Women Representative | CHEBAIBAI JANE JEPKORIR KIPTOO |
West Pokot County
| Governor | LONYANG’APUO JOHN KROP |
| Senator | POGHISIO SAMUEL LOSURON |
| Women Representative | LILIAN CHEPTOO TOMITOM |
Kericho County
| Governor | PROF. PAUL CHEPKWONY KIPRONO |
| Senator | CHERUIYOT AARON KIPKIRUI |
| Women Representative | KOSKEY FLORENCE CHEPNGETICH |
Nandi County
| Governor | SANG STEPHEN KIPYEGO |
| Senator | SAMSON CHERARKEY K. |
| Women Representative | TUM TECLA CHEBET |
Uasin Gishu County
| Governor | JACKSON KIPLAGAT MANDAGO |
| Senator | KAMAR MARGARET JEPKOECH |
| Women Representative | SHOLLEI GLADYS JEPKOSGEI BOSS |
Nakuru County
| Governor | KINYAJUI LEE MAIYANI |
| Senator | KIHIKA SUSAN WAKARURA |
| Women Representative | LIZA CHELULE CHEPKORIR |
Samburu County
| Governor | MOSES LENOLKULA KASAINE |
| Senator | LELEGWE STEVE LTUMBESI |
| Women Representative | MAISON LESHOOMO |
Narok County
| Governor | SAMUEL KUNTAI OLE TUNAI |
| Senator | OLE KINA LEDAMA |
| Women Representative | ROSELINDA SOIPAN TUYA |
Baringo County
| Governor | KIPTIS STANLEY K |
| Senator | GIDEON MOI |
| Women Representative | CHERUIYOT GLADWELL JESIRE CHERUIYOT |
Trans-Nzoia County
| Governor | PATRICK KHAEMBA |
| Senator | MBITO MICHAEL MALING’A |
| Women Representative | JANET NANGABO WANYAMA |
Kajiado County
| Governor | LENKU JOSEPH JAMA OLE |
| Senator | MPAAYEI PHILLIP SALAU |
| Women Representative | TEYIAA JANET MARANIA |
Laikipia County
| Governor | MURIITHI NDIRITU |
| Senator | NDERITU JOHN KINYUA |
| Women Representative | WARUGURU CATHERINE WANJIKU |
Turkana County
| Governor | JOSPHAT NANOK |
| Senator | IMANA MALACHY CHARLES EKAL |
| Women Representative | JOYCE AKAI EMANIKOR |
Bomet County
| Governor | H.E Dr. Hillary K Barchok |
| Senator | Hon. Hillary Sigei |
| Women Representative | Chepkorir, Linet |
Elgeyo Marakwet County
| Governor | H.E Wisley Rotich |
| Senator | Hon. William Kipkemoi Kisang |
| Women Representative | Caroline Jeptoo Ng’elechei |
West Pokot County
| Governor | H.E Simon Kachapin |
| Senator | Hon. Julius Murgor |
| Women Representative | Kasiwai Rael Chepkemoi |
Kericho County
| Governor | H.E Dr. Erick Kipkoech Mutai |
| Senator | Hon. Aaron Kipkirui Cheruiyot |
| Women Representative | Kemei Beatrice Chepng’eno |
Nandi County
| Governor | H.E Stephen Kipyego Sang |
| Senator | Hon. Samson Cherargei |
| Women Representative | Muge Cynthia Jepkosgei |
Uasin Gishu County
| Governor | H.E Jonathan Bii |
| Senator | Hon. Jackson Mandago |
| Women Representative | Shollei, Gladys Jepkosgei Boss |
Nakuru County
| Governor | H.E Susan Kihika |
| Senator | Hon. Tabitha Karanja |
| Women Representative | Chelule Liza Chepkorir |
Samburu County
| Governor | H.E Jonathan Lati Leleliit |
| Senator | Hon. Dr. Steve Ltumbesi Lelegwe |
| Women Representative | Lenguris Pauline |
Narok County
| Governor | H.E Patrick Ole Ntutu |
| Senator | Hon. Ledama Ole Kina |
| Women Representative | Tonkei Rebecca Noonaishi |
Baringo County
| Governor | H.E Benjamin Cheboi |
| Senator | Hon. William Cheptumo |
| Women Representative | Sergon Flowrence Jematiah |
Trans-Nzoia County
| Governor | H.E George Natembeya |
| Senator | Hon. Allan Chesang |
| Women Representative | Siyoi Lillian Chebet |
Kajiado County
| Governor | H.E Joseph Jama Ole Lenku,EGH |
| Senator | Hon. Seki Lenku Ole Kanar |
| Women Representative | Sankaire Leah Sopiato |
Laikipia County
| Governor | Hon. Joshua A Irungu |
| Senator | Hon. John Kinyua Nderitu |
| Women Representative | Kagiri Jane Wangechi |
Turkana County
| Governor | H.E Jeremiah Lomurkai |
| Senator | Hon. James Lomenen |
| Women Representative | Ngitit, Cecilia Asinyen |