Reference 1: Area (km2), Census 2006 population, Administrative seat and Postal Code.
Reference 2: Port Harcourt, Obio-Akpor, Okrika, Ogu–Bolo, Eleme, Tai, Gokana, Khana, Oyigbo, Opobo–Nkoro, Andoni, Bonny, Degema, Asari-Toru, Akuku-Toru, Abua–Odual, Ahoada West, Ahoada East, Ogba–Egbema–Ndoni, Emohua, Ikwerre, Etche and Omuma.
Source: http://en.wikipedia.org/wiki/Rivers_State
Reference 2: Port Harcourt, Obio-Akpor, Okrika, Ogu–Bolo, Eleme, Tai, Gokana, Khana, Oyigbo, Opobo–Nkoro, Andoni, Bonny, Degema, Asari-Toru, Akuku-Toru, Abua–Odual, Ahoada West, Ahoada East, Ogba–Egbema–Ndoni, Emohua, Ikwerre, Etche and Omuma.
Source: http://en.wikipedia.org/wiki/Rivers_State
