The history of yewa south local government, which one is proud of today, dates back to april 1954, it was then known as Ilaro District Council and like other district councils in the country, was composed of traditional rulers and elected members. Infact, the then Olu of Ilaro, Oba Ojobo Adekunle, was the president while the Asoju Olu of Ilaro, Chief Adetunji Adejumo, was the first chairman with Mr.J.O.Harrison serving as the secretary.
This administration was succeeded in 1958 by the era of Chief Moses Olaonipeku Akinode, while his predecessor moved to a more embracing council, Egbado Divisional Council.
However, the tenure was ended in1964 with an interregnum as result of the political crisis in the then western Region which saw Chief Moses Adekoyejo Majekodunmi steering the ship of administration. At the time, District Officers were mandated to take care of the districts. However, by 1969, towards the end of Nigeria Civil War, Advisory Committee was put in place only to give way in 1973 to the famous Council Manager system and latter was the 1976 reforms.
The local Government has a guinea savannah-like vegetation with avast arable fertile land that makes mechanised farming possible.