Kiambu is a county in Kenya recognised by the Kenyan constitution. Its county code is 022, making it one of the 047 Counties In Kenya. It was established under the 2010 Constitution and became effective in 2013 after the General elections, when it gained its first governor. Currently, Kiambu is Kenya’s most populous County after Nairobi County, with a population of 2,417,735.
Like other counties in Kenya, Kiambu is divided into sub-counties, Divisions, Locations, and sub-locations. The governor and county assembly formulate policies, executed by sub-county administrators, overseeing ward administrators and 257 sub-locations managed by chiefs. Elected MCAs liaise with ward offices to address local needs, while the County Commissioner coordinates national government functions.
Below is all you need to understand how Kiambu is structured administratively.
Kiambu’s 12 Sub-Counties and Their Wards
The County of Kiambu comprises twelve (12) Subcounties and sixty (60) wards. The wards range from 4 to 8 per Subcounty, with Ruiru Sub-County having the largest number. They are as follows:
1. Gatundu North Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Gituamba
285.9
2
8
28
4
2
Githobokoni
3
Chania
4
Mang’u
2. Gatundu South Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Kiamwangi
193.6
3
11
38
4
2
Kiganjo
3
Ndarugo
4
Ngenda
3. Githunguri Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Githunguri
174.4
3
6
20
5
2
Githiga
3
Ikinu
4
Ngewa
5
Komothai
4. Juja Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Murera
342.0
2
10
19
5
2
Theta
3
Juja
4
Witeithie
5
Kalimoni
5. Kabete Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Gitaru
60.7
2
7
14
5
2
Muguga
3
Nyathuna
4
Kabete
5
Uthiru
6. Kiambaa Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Cianda
91.1
2
7
26
5
2
Karuri
3
Ndenderu
4
Muchatha
5
Kihara
7. Kiambu Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Ting’ang’a
98.3
2
9
17
4
2
Ndumberi
3
Riabai
4
Township
8. Kikuyu Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Karai
172.9
3
8
16
5
2
Nachu
3
Sigona
4
Kikuyu
5
Kinoo
9. Lari Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Kinale
432.3
3
4
8
5
2
Kijabe
3
Nyanduma
4
Kamburu
5
Lari/Kirenga
10. Limuru Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Bibirioni
158.1
2
9
23
5
2
Limuru Central
3
Ndeiya
4
Limuru East
5
Ngecha/Tigoni
11. Ruiru Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Gitothua
201.1
1
1
3
8
2
Biashara
3
Gatongora
4
Kahawa/Sukari
5
Kahawa Wendani
6
Kiuu
7
Mwiki
8
Mwihoko
12. Thika Town Sub-County
No.
Ward Name
Area (Km²)
Divisions
Locations
Sub-locations
Total Wards
1
Township
201.3
2
7
14
5
2
Kamenu
3
Hospital
4
Gatuanyaga
5
Ngoliba
Frequently Asked Questions
What are the 12 sub-counties in Kiambu County?
Gatundu North
Gatundu South
Githunguri
Juja
Kabete
Kiambaa
Kiambu
Kikuyu
Lari
Limuru
Ruiru
Thika Town
How many wards are in Kiambu County?
60
Which is the biggest town in Kiambu County?
Thika
Is ward the same as location?
No, a ward is not the same as a location. A ward is a political unit represented by a Member of the County Assembly (MCA), while an area is an administrative unit headed by a Chief. Wards are larger and used for electoral purposes, while locations are used for administrative management
