Kiambu County
Kiambu County is one of Kenya’s 47 counties. Its headquarters is Kiambu and it has 12 constituencies. The 2019 census counted 2,417,735 residents.
Kiambu County at a glance
- County code
- 22
- Headquarters
- Kiambu
- Governor
- Paul Kimani Wamatangi
- Deputy governor
- Rosemary Njeri Kirika
- Population (2019 census)
- 2,417,735
- Population (2024 projection)
- 2,703,510
- Area
- 2,524.2 km²
- Population density
- 958 people per km²
- Gross County Product
- KSh 819,834 million
- Constituencies
- 12
Constituencies in Kiambu County
| Constituency | MP | Wards |
|---|---|---|
| Gatundu North | Elijah Njore Njoroge Kururia (Independent) | 4 |
| Gatundu South | Gabriel Gathuka Kagombe (UDA) | 4 |
| Githunguri | Gathoni Wamuchomba (UDA) | 5 |
| Juja | George Koimburi Ndung’u (UDA) | 5 |
| Kabete | James Githua Kamau Wamacukuru (UDA) | 5 |
| Kiambaa | John Njuguna (UDA) | 5 |
| Kiambu | John Machua Waithaka (UDA) | 4 |
| Kikuyu | Anthony Kimani Ichung’wah (UDA) | 5 |
| Lari | Joseph Mburu Kahangara (UDA) | 5 |
| Limuru | John Kiragu Chege (UDA) | 5 |
| Ruiru | Simon Ng’ang’a Kingara (UDA) | 8 |
| Thika Town | Alice Wambui Ng’ang’a (UDA) | 5 |
Sources: Kenya National Bureau of Statistics (2019 Kenya Population and Housing Census; Gross County Product 2025), IEBC. Office holders reflect the 2022 general election and may change after by-elections or court rulings.