Ruiru Constituency’s administrative headquarters uses the postal code 00232 . This area functions dually as a constituency and subcounty under Kiambu County, established under Kenya’s 2010 constitutional devolution framework in 2013 . Geographically, Ruiru lies 30 km northeast of Nairobi, bounded by Juja and Thika subcounties to the north, Nairobi County to the south, and Kiambu subcounty to the west .
Ruiru at a Glance
| Information | Details |
|---|---|
| Administrative Type | Constituency & Subcounty |
| Year Established | 2013 |
| Parent County | Kiambu |
| Geographic Location | Northeast Kiambu, adjacent to Nairobi |
| Total Area (sq km) | 49.7 |
| Population (2019 Census) | 371,111 |
| Number of Wards | 8 |
| Administrative HQ | Ruiru Town |
| Current Representative (MP) | – |
| Latest CDF Allocation | – |
Administrative Structure
Ruiru operates under a dual governance model: as a constituency, it elects a Member of Parliament (MP) for national representation, and as a subcounty, it is managed by a Sub-County Administrator appointed by the Kiambu County government . The National Government maintains a parallel administrative presence through the Ruiru Deputy County Commissioner, overseeing locations (Ruiru Town) and sub-locations (Ruiru, Mwihoko, Gitothua) . The parliamentary constituency includes a National Government Constituencies Development Fund (NG-CDF) committee responsible for infrastructure projects.
Ruiru comprises eight electoral wards as per the IEBC, which are:
- Gitothua
- Biashara
- Gatongora
- Kahawa/Sukari
- Kahawa Wendani
- Kiuu
- Mwiki
- Mwihoko .
Complete Ruiru Constituency Postal Codes
Ruiru uses a uniform postal code (00232) for all addresses, a system managed by the Ruiru Post Office .
| # | Place Name (Official) | Type | Location/Ward | Postal Code |
|---|---|---|---|---|
| 1 | Ruiru Post Office | Govt Office | Biashara | 00232 |
| 2 | Ruiru Sub-County Hospital | Hospital | Kahawa/Sukari | 00232 |
| 3 | Mwiki High School | School | Mwiki | 00232 |
| 4 | Tatu City Industrial Park | Private Institution | Gitothua | 00232 |
| 5 | Kahawa Wendani Market | Market | Kahawa Wendani | 00232 |
| 6 | Kiambu County Assembly Ruiru Ward Office | Govt Office | Gatongora | 00232 |
| 7 | Zetech University | University | Mwihoko | 00232 |
| 8 | Ruiru Technical Training Institute | School | Kiuu | 00232 |
| 9 | Biashara Ward Market | Market | Biashara | 00232 |
| 10 | Gatongora Health Centre | Hospital | Gatongora | 00232 |