Siaya District is one of the twelve districts that make up Nyanza Province in the southwest part of Kenya. It is bordered by Busia District to the North, Vihiga and Butere/Mumias Districts to the North-East, Bondo District to the South, and Kisumu District to the South-East. The total area of the district is approximately 1520 km². The District lies between latitude 0° 26’ to 0° 18’ north and longitude 33° 58’ east and 34° 33’ west. Siaya district has been split up into six new districts. Under the new constitution, the role of districts are still unclear as much of administrative authority is being transferred to the county. The new county is called Siaya.
The projected population in the year 2002 showed 493,326 people in Siaya District, with 226,682 males and 266,644 females.
| Local authorities (councils) | ||||
| Authority | Type | Population* | Urban pop.* | Wards |
|---|---|---|---|---|
| Siaya | Municipality | 41,174 | 13,787 | 7 |
| Ugunja | Town | 29,963 | 3,588 | 7 |
| Ukwala | Town | 49,802 | 671 | 7 |
| Yala | Town | 25,769 | 2,438 | 6 |
| Siaya County | County | 333,476 | 0 | 29 |
| Total | - | 480,184 | 20,484 | - |
| * 1999 census. Source: [1] | ||||
| Administrative divisions | |||||
| Division | Population* | Urban pop.* | Area | Sub-locations | Headquarters |
|---|---|---|---|---|---|
| Boro | 47,455 | 0 | 180.1 km² | 12 | Boro |
| Karemo | 76,986 | 12,611 | 235.1 km² | 17 | Siaya |
| Ugunja | 77,006 | 3,382 | 198.8 km² | 21 | Ugunja |
| Ukwala | 98,912 | 487 | 319.5 km² | 28 | Ukwala |
| Uranga | 41,564 | 0 | 183.4 km² | 13 | |
| Wagai | 54,438 | 0 | 193.3 km² | 18 | |
| Yala | 83,823 | 2,165 | 209.8 km² | 19 | Yala |
| Total | 480,184 | 18,645 | 1,520 km² | 128 | - |
| * 1999 census. Sources: [2], [3], also added from District Commissioner's Office, Siaya 2001 | |||||
The district has three constituencies:
At the 2007 parliamentary elections all three seats were won by Orange Democratic Movement.