Busia is a county in the former Western Province of Kenya. It borders Kakamega County to the east, Bungoma County to the north, Lake Victoria and Siaya County to the south and Busia District, Uganda to the west.EconomyThe main economic activity is trade with neighbouring Uganda, with Busia town - the county headquarters and largest town - being a cross-border centre. Away from town, the county economy is heavily reliant on fishing and agriculture, with cassava, millet, sweet potatoes, beans, and maize being the principal cash crops.PeopleThough most residents of Busia County are ethnically Luhya, there is also a substantial population of Luo and Iteso residents.The county has a total population of 743,946 (2009 census).Electoral constituenciesBusia County has seven electoral constituencies: Nambale ConstituencyButula ConstituencyFunyula ConstituencyBudalangi ConstituencyMatayos ConstituencyTeso North ConstituencyTeso South Constituency