Suba District was an administrative district in the former Nyanza Province of Kenya. Its capital town was Mbita Point. The district had a population of 155,666 and an area of 1,055 km2 http://www.statoids.com/yke.html. Suba district was named after the Suba people, who inhabit local Rusinga and Mfangano Islands.
The district had two constituencies: Mbita Constituency and Gwassi https://web.archive.org/web/20070203011306/http://www.cdf.go.ke/Nyanza.htm.
In line with the new Kenyan constitution of 2010, Suba district is now part of Homa Bay County.
| Town | 28,705 | 6,103 | ||
| Suba | County | 126,961 | 1,792 | |
| Total | - | 155,666 | 7,895 | |
| Central | 27,574 | 1,653 | 90 | ||
| Gwassi | 47,221 | 0 | 142 | ||
| Lambwe | 18,366 | 0 | 132 | ||
| Mbita | 46,223 | 5,745 | 219 | Mbita Point | |
| 16,282 | 0 | 250 | |||
| Total | 155,666 | 7,398 | 148 (average) | ||