Nyansiongo Postal Codes: 40500 to 40503 | Borabu, Nyamira

Key Facts

Nyansiongo is a town and administrative ward located within Borabu Constituency in Nyamira County, Kenya. Situated in the southwestern part of the country, Nyansiongo lies approximately 250 kilometers northwest of Nairobi and serves as an important local center within the larger Gusii highlands region. With an estimated population of around 15,000-20,000 residents, the town covers an area of approximately 15 square kilometers and sits at an elevation of about 1,800 meters above sea level, benefiting from the fertile volcanic soils characteristic of this part of western Kenya. Nyansiongo functions as the administrative headquarters for Borabu Constituency and contains several key public institutions including a police station, health center, and multiple educational facilities that serve the surrounding agricultural communities. The town is divided into several smaller administrative units and residential neighborhoods that collectively form this vibrant trading center. As a growing urban center in western Kenya, Nyansiongo provides essential services and access to postal code information for residents and businesses throughout Borabu Constituency and the broader Nyamira County region.

Neighboring Regions

• Manga
• Bokimonge
• Rigoma
• Ekerenyo
• Nyamaiya