According to the 2011 census of India, Kejanglwa has 94 households. The effective literacy rate (i.e. the literacy rate of population excluding children aged 6 and below) is 92.57%.[2]
Demographics (2011 Census)[2]
| Total | Male | Female |
| Population | 505 | 256 | 249 |
| Children aged below 6 years | 88 | 39 | 49 |
| Scheduled caste | 0 | 0 | 0 |
| Scheduled tribe | 502 | 254 | 248 |
| Literates | 386 | 212 | 174 |
| Workers (all) | 233 | 121 | 112 |
| Main workers (total) | 230 | 118 | 112 |
| Main workers: Cultivators | 199 | 89 | 110 |
| Main workers: Agricultural labourers | 0 | 0 | 0 |
| Main workers: Household industry workers | 0 | 0 | 0 |
| Main workers: Other | 31 | 29 | 2 |
| Marginal workers (total) | 3 | 3 | 0 |
| Marginal workers: Cultivators | 2 | 2 | 0 |
| Marginal workers: Agricultural labourers | 0 | 0 | 0 |
| Marginal workers: Household industry workers | 0 | 0 | 0 |
| Marginal workers: Others | 1 | 1 | 0 |
| Non-workers | 272 | 135 | 137 |