| Ward name | Approx. Population | Approx. area in square km |
| Isukha north | 23496 | 42.2 |
| Murhanda | 28285 | 36.0 |
| Isukha central | 34545 | 42.7 |
| Isukha south | 35807 | 38.3 |
| Isukha east | 17939 | 262.6 |
| Isukha west | 19412 | 23.6 |
Archives: Political Units
| Ward name | Approx. Population | Approx. area in square km |
| Ingotse-matiha | 22091 | 34.4 |
| Shinoyi-shikomari-esumeiya | 25352 | 48.4 |
| Bunyala west | 38407 | 73.3 |
| Bunyala east | 22122 | 45.0 |
| Bunyala central | 29193 | 56.8 |
| Ward name | Approx. Population | Approx. area in square km |
| Lusheya-lubinu | 37609 | 57.0 |
| Malaha-isongo-makunga | 31004 | 43.4 |
| East Wanga | 32343 | 35.1 |
| Ward name | Approx. Population | Approx. area in square km |
| Mumias central | 37214 | 33.6 |
| Mumias north | 15765 | 35.7 |
| Etenje | 28162 | 50.6 |
| Musanda | 30721 | 45.4 |
| Ward name | Approx. Population | Approx. area in square km |
| Koyonzo | 35812 | 66.9 |
| Kholera | 28821 | 61.9 |
| Khalaba | 19778 | 39.0 |
| Mayoni | 30584 | 49.8 |
| Namamali | 31568 | 58.3 |
| Ward name | Approx. Population | Approx. area in square km |
| West kabaras | 26114 | 46.7 |
| Chemuche | 29745 | 65.1 |
| East kabaras | 22659 | 49.6 |
| Butali/chegulo | 31876 | 78.2 |
| Manda-shivanga | 32194 | 68.3 |
| Shirugu-mugai | 25055 | 54.4 |
| South kabaras | 37523 | 61.0 |
| Ward name | Approx. Population | Approx. area in square km |
| Butsotso east | 23227 | 33.1 |
| Butsotso south | 17377 | 31.2 |
| Butsotso central | 25744 | 48.8 |
| Shieywe | 48304 | 17.9 |
| Mahiakalo | 12067 | 13.4 |
| Shirere | 33510 | 17.4 |
| Ward name | Approx. Population | Approx. area in square km |
| Mautuma | 25082 | 83.8 |
| Lugari | 31381 | 81.3 |
| Lumakanda | 29955 | 59.0 |
| Chekalini | 19705 | 41.7 |
| Chevaywa | 33145 | 57.0 |
| Lwandeti | 27746 | 44.2 |
| Ward name | Approx. Population | Approx. area in square km |
| Likuyani | 27243 | 97.2 |
| Sango | 22853 | 56.4 |
| Kongoni | 23701 | 43.3 |
| Nzoia | 30321 | 54.9 |
| Sinoko | 21019 | 50.1 |
| Ward name | Approx. Population | Approx. area in square km |
| Kisa north | 19300 | 31.5 |
| Kisa east | 19905 | 31.9 |
| Kisa west | 21230 | 28.7 |
| Kisa central | 42200 | 53.5 |