| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Nimboran | 5,330 | Trans-New Guinea | Nimboran | |||
| ● Bora | 4,370 | Witotoan | Boran | |||
| ● Gresi | 3,820 | Trans-New Guinea | Nimboran | |||
| ● Kemtuik | 3,800 | Trans-New Guinea | Nimboran | |||
| ● Mekwei | 1,830 | Trans-New Guinea | Nimboran | |||
| ● Muinane | 650 | Witotoan | Boran | |||
| ● Mlap | 360 | Trans-New Guinea | Nimboran |