Roysambu is a sub-county established in 2013 in northeastern Nairobi County. It lies approximately 11 km northeast of Nairobi’s Central Business District, bordered by Thika Road to the east and Kasarani Sub-County to the north. Roysambu houses some popular places in Nairobi County, including neighborhoods like Zimmerman, Githurai, and Kahawa West, and is home to institutions such as Kenyatta University and Thika Road Mall. Roysambus’s Main postal code is 00600, which ranges between 00600–00609 and 00618–00626, covering residential, commercial, and institutional areas.
Roysambu Sub-County at a Glance
| Category | Details |
|---|---|
| Year Established | 2013 |
| Parent County | Nairobi County |
| Geographic Location | Northeastern Nairobi |
| Total Area (sq km) | 11.5 |
| Population (2019 Census) | 54,752 |
| Number of Wards | 5 |
| Number of Constituencies | 1 |
Administrative Structure
Roysambu Sub-County operates under Nairobi County’s devolved government system, led by an elected Member of Parliament and a County Assembly representative per ward.
The sub-county collaborates with Nairobi’s county government on budgeting and development projects, particularly housing and transport.
Below are the Roysambu Sub-County Constituency and their respective wards:
| Administrative Unit Type | Name of Unit |
|---|---|
| Constituency | Roysambu Constituency |
| Wards | Kahawa Ward |
| Roysambu Ward | |
| Githurai Ward | |
| Kahawa West Ward | |
| Zimmerman Ward |
Complete Roysambu Sub-County Postal Code List
Postal codes in Roysambu follow Kenya’s five-digit system, which starts with 00, indicating they are part of Nairobi GPO, and the remaining three digits refine localities. Below are all the Postal codes for Roysambu:
| Ward/Town/Area | Postal Code | Facility Type |
|---|---|---|
| Roysambu Ward | 00600 | Sub-County Headquarters |
| Kahawa Ward | 00609 | University (Kenyatta) |
| Githurai Ward | 00626 | Residential/Commercial |
| Kahawa West Ward | 00600 | Residential |
| Zimmerman Ward | 00600 | Residential |
| Ruaraka | 00618 | Residential |
| Mirema | Pending | – |
| Garden Estate | 00600 | Residential |
| Thome | 00600 | Residential |
FAQ
Which county is Roysambu in?
Nairobi
What was the original name of Roysambu?
Royal Suburbs
Is Roysambu an estate?
Roysambu is a residential area located along the Thika Road