| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Hewa | 4,570 | Sepik-Ramu | Sepik | Sepik Hill | Sanio | |
| ● Alamblak | 2,200 | Sepik-Ramu | Sepik | Sepik Hill | Alamblak | |
| ● Kapriman | 2,190 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo | |
| ● Saniyo-Hiyewe | 1,690 | Sepik-Ramu | Sepik | Sepik Hill | Sanio | |
| ● Niksek | 1,250 | Sepik-Ramu | Sepik | Sepik Hill | Sanio | |
| ● Bahinemo | 960 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo | |
| ● Watakataui | 660 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo | |
| ● Bisis | 580 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo | |
| ● Berinomo | 510 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo | |
| ● Kaningra | 430 | Sepik-Ramu | Sepik | Sepik Hill | Alamblak | |
| ● Bikaru | 220 | Sepik-Ramu | Sepik | Sepik Hill | Sanio | |
| ● Piame | 220 | Sepik-Ramu | Sepik | Sepik Hill | Sanio | |
| ● Sumariup | 140 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo | |
| ● Mari | 120 | Sepik-Ramu | Sepik | Sepik Hill | Bahinemo |