Siaya County borders Busia County to the North, Kakamega County to the Northeast, Vihiga County to the East, Kisumu to the South East, with lake Victoria to the South and West
Area (Km 2): 2,530.5 Km 2
Climate/Weather: Has an annual rainfall of between 1,170 mm and 1,450 mm with a mean annual temperature of 21.75 0C and a range of 15 0C and 30 0C.
Road Network: Not Available Bitumen
Key National Monument(s): Jaramogi Oginga Odinga Museum.
Population Siaya County
Population: 842,304 (Male – 47 %, Female – 53 %)
Population Density: 332 people per Km 2
National Percentage: 2.2 %
Annual Growth Rate: Not available
Age Distribution: 0-14 years (46.1 %), 15-64 years (50.9 %), 65+ years (3.0 %)
Number of Households: 199,034
Government of Siaya County
County Capital: Siaya Town (proposed)
Number of Constituencies (2010): 5 (Alego-Usonga, Bondo, Gem, Rarieda and Ugenya)
Registered Voters: 285,696
National percentage: 2.3 %
Number of Districts (2009): 3 (Bondo, Siaya and Gem)
Number of Local Authorities (2010): 7 (Town Councils of Bondo, Ukwala, Ugunja, Yala, county councils of Siaya and Bondo and Municipal Council of Siaya )
Economy of Siaya County
Poverty Level: 57.9 % (Rural) and 37.9 (Urban) for Siaya District (2002)
Age Dependency Ratio: 100:96.3
Resources: Agricultural land, Fisheries, Indigenous Forests, Rivers, Timber
Tourist Attractions: Yala Swamp and Wetlands, Ndanu Falls, Lake Kanyaboli and Lake Victoria.
Financial Services: 6 Commercial Banks, 9 Micro-Finance Institutions, 2 Village Banks
Main Economic Activities/industries: Subsistence farming, livestock keeping, fishing, rice farming and small scale trading
Education in Siaya County
Number of Institutions (2007): Primary (656), Secondary (148)
Primary: Enrolment (259,545)
Teacher to Pupil Ratio: 1:53(Public Schools)
Secondary: Enrolment (22,042)
Teacher to Pupil Ratio: 1:31 (Public Schools)
Tertiary: More than 4 Institutions
Adult Literacy Classes: Not available
Health in Siaya County
Health Facilities: District Hospitals (2), Sub-District Hospitals (3), Dispensaries (83), Health Centres (26), Other (10)
Doctor to Population Ratio: Not Available
Infant Mortality Rates: 113/1000 (Siaya District)
Under Five Mortality Rates: 102/1000 (Siaya District)
Prevalent Diseases: Malaria, HIV/AIDS, Diarrhoeal diseases, Respiratory disorders
Notable Hospitals: Siaya District Hospital, Bondo District Hospital.
Notable Hospitals: Siaya District Hospital, Bondo District Hospital.