| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Pokoot | 824,000 | Nilo-Saharan | Nilotic | Kalenjin | ||
| ● Kupsapiiny | 320,800 | Nilo-Saharan | Nilotic | Kalenjin | Elgon | |
| ● Sabaot | 273,000 | Nilo-Saharan | Nilotic | Kalenjin | Elgon | |
| ● Markweeta | 263,000 | Nilo-Saharan | Nilotic | Kalenjin | ||
| ● Tugen | 168,000 | Nilo-Saharan | Nilotic | Kalenjin | Nandi | |
| ● Okiek | 87,900 | Nilo-Saharan | Nilotic | Kalenjin | ||
| ● Kisankasa | 9,970 | Nilo-Saharan | Nilotic | Kalenjin | Nandi | |
| ● Mediak | 7,810 | Nilo-Saharan | Nilotic | Kalenjin | Nandi |