Nyandarua County
Nyandarua County is one of Kenya’s 47 counties. Its headquarters is Ol Kalou and it has 5 constituencies. The 2019 census counted 638,289 residents.
Nyandarua County at a glance
- County code
- 18
- Headquarters
- Ol Kalou
- Governor
- Moses Ndirangu Kiarie Badilisha
- Deputy governor
- John Mathara Mwangi
- Population (2019 census)
- 638,289
- Population (2024 projection)
- 708,321
- Area
- 8,169.8 km²
- Population density
- 78 people per km²
- Gross County Product
- KSh 218,167 million
- Constituencies
- 5
Constituencies in Nyandarua County
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.