The Onkos inhabit an area of tropical savannah climate type characterised by moderate rainfall with double maxima.
The Oke Ogun people live in several mid sized and large towns surrounded by farmlands and natural features.
Other major employers of the locals include cloth weaving, particularly of Aso Oke fabric or Ofi, blacksmithing and production of metal wares such as pots and cooking utensils, and trading.
Islam is the religion of a majority of people, while lesser numbers profess Christianity and others still hold on to traditional Yoruba beliefs.
This peculiarity/uniqueness is not limited to Onko alone, but can be found throughout western Yorubaland, including the Ibarapa people, Egbados, Ketus, Idaashas, Shabes, Etc.