EASTERN REGIONS
Eastern Region
The sixth performing region Eastern, has eight counties. Only Machakos and Meru ranked in the top twenty five league. The average index was 48.03%.
2015
| RANK | COUNTY | POPULATION CENSUS 2009 | COUNTYTRAK PERFORMANCE INDEX |
| 1 | MACHAKOS | 1,098,584 | 61.5% |
| 2 | MERU | 1,356,301 | 55.4% |
| 3 | EMBU | 516,212 | 53.8% |
| 4 | THARAKA NITHI | 365,330 | 53.8% |
| 5 | KITUI | 1,012,709 | 53.4% |
| 6 | MAKUENI | 884,527 | 52.3% |
| 7 | MARSABIT | 291,166 | 49.5% |
| 8 | ISIOLO | 143,294 | 48.7% |
| 5668123 | 53.6% |
2020
| RANK | COUNTY | POPULATION CENSUS 2009 | COUNTYTRAK PERFORMANCE INDEX |
| 1 | MAKUENI | 987,653 | 54.70% |
| 2 | MACHAKOS | 1,421,932 | 50.60% |
| 3 | THARAKA – NITHI | 393,177 | 49.80% |
| 4 | EMBU | 606,599 | 48.60% |
| 5 | KITUI | 1,136,187 | 47.20% |
| 6 | MERU | 1,545,714 | 46.90% |
| 7 | MARSABIT | 459,785 | 44.40% |
| 8 | ISIOLO | 268,002 | 42.00% |
| 6,821,049 | 48.03% |
Machakos County
| Governor | ALFRED MUTUA |
| Senator | KABAKA BONIFACE MUTINDA |
| Women Representative | KAMENE JOYCE |
Meru County
| Governor | MURUNGI KIRAITU |
| Senator | LINTURI FRANKLIN MITHIKA |
| Women Representative | KAWIRA MWANGAZA |
Embu County
| Governor | MARTIN NYAGA WAMBORA |
| Senator | NDWIGA PETER NJERU |
| Women Representative | NJIRU JANE WANJUKI |
Tharaka Nithi County
| Governor | NJUKI ONESMUS MUTHOMI |
| Senator | KITHURE KINDIKI |
| Women Representative | BEATRICE NKATHA NYAGA |
Kitui County
| Governor | NGILU CHARITY KALUKI |
| Senator | WAMBUA ENOCH KIIO |
| Women Representative | KASALU IRENE MUTHONI |
Makueni County
| Governor | KIVUTHA KIBWANA |
| Senator | MUTULA KILONZO JUNIOR |
| Women Representative | ROSE MUSEO MUMO |
Marsabit County
| Governor | ALI MOHAMUD MOHAMED |
| Senator | GODANA HARGURA |
| Women Representative | ADAN SAFIA SHEIKH |
Isiolo County
| Governor | KUTI MOHAMED ABDI |
| Senator | ADAN DULLO FATUMA |
| Women Representative | JALDESA REHEMA DIDA |
Machakos County
| Governor | H.E Wavinya Ndeti |
| Senator | Hon. Agnes Kavindu Muthama |
| Women Representative | Kamene Joyce |
Meru County
| Governor | H.E Kawira Mwangaza |
| Senator | Hon. Kathuri Murungi |
| Women Representative | Kailema Elizabeth Karambu |
Embu County
| Governor | H.E Cecily Mbarire |
| Senator | Hon. Alexander Mundigi |
| Women Representative | Double N, Pamela Njoki Njeru |
Tharaka Nithi County
| Governor | H.E Muthomi Njuki |
| Senator | Hon. Gataya Mwenda |
| Women Representative | Nduyo, Susan Ngugi |
Kitui County
| Governor | H.E Julius Malombe |
| Senator | Hon. Enoch Kiio Wambua |
| Women Representative | Kasalu Irene Muthoni |
Makueni County
| Governor | H.E Mutula Kilonzo Jnr |
| Senator | Hon. Dan Maanzo |
| Women Representative | Mumo Rose Museo |
Marsabit County
| Governor | H.E Mohamud M. Ali |
| Senator | Hon. Mohamed Said Chute |
| Women Representative | Waqo, Naomi Jillo |
Isiolo County
| Governor | H.E. Abdi Hassan Guyo |
| Senator | Hon. Dullo Fatuma Adan |
| Women Representative | Bonaya, Mumina Gollo |