| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Cherokee | 295,000 | Iroquoian | Tuscarora-Nottoway | |||
| ● Mohawk | 34,220 | Iroquoian | Five Nations | Mohawk-Oneida | ||
| ● Onondaga | 22,200 | Iroquoian | Five Nations | Seneca-Onandaga | ||
| ● Seneca | 7,650 | Iroquoian | Five Nations | Seneca-Onondaga | Seneca-Cayuga | |
| ● Oneida | 5,250 | Iroquoian | Five Nations | Mohawk-Oneida | ||
| ● Cayuga | 4,670 | Iroquoian | Five Nations | Seneca-Onondaga | Seneca-Cayuga | |
| ● Tuscarora | 1,361 | Iroquoian | Tuscarora-Nottoway |