- Warri ( 536,023 )
- Sapele ( 161,686 )
- Ughelli ( 79,986 )
- Asaba ( 73,374 )
- Agbor ( 67,610 )
- Ogwashi-Uku ( 26,137 )
- Kwale ( 20,226 )
- Burutu ( 16,410 )
- Obiaruku ( 11,936 )
- Bomadi ( 8,402 )
- Umunede ( 8,331 )
- Patani ( 7,327 )
- Abraka ( 6,940 )
- Orerokpe ( 5,893 )