According to the 2011 census of India, Altheak has 8 households. The effective literacy rate (i.e. the literacy rate of population excluding children aged 6 and below) is 78.26%.[2]
Demographics (2011 Census)[2]
| Total | Male | Female |
|---|
| Population | 30 | 16 | 14 |
| Children aged below 6 years | 7 | 2 | 5 |
| Scheduled caste | 0 | 0 | 0 |
| Scheduled tribe | 29 | 15 | 14 |
| Literates | 18 | 13 | 5 |
| Workers (all) | 17 | 12 | 5 |
| Main workers (total) | 1 | 1 | 0 |
| Main workers: Cultivators | 0 | 0 | 0 |
| Main workers: Agricultural labourers | 0 | 0 | 0 |
| Main workers: Menage industry workers | 0 | 0 | 0 |
| Main workers: Other | 1 | 1 | 0 |
| Marginal workers (total) | 16 | 11 | 5 |
| Marginal workers: Cultivators | 1 | 0 | 1 |
| Marginal workers: Farming labourers | 0 | 0 | 0 |
| Marginal workers: Household industry workers | 0 | 0 | 0 |
| Fringy workers: Others | 15 | 11 | 4 |
| Non-workers | 13 | 4 | 9 |