According to the 2011 census of India, Nchangram has 498 households. The effective literacy rate (i.e. the literacy rate of population excluding children aged 6 and below) is 83.75%.[2]
Demographics (2011 Census)[2]
| Total | Male | Female |
| Population | 2673 | 1411 | 1262 |
| Children aged below 6 years | 372 | 225 | 147 |
| Scheduled caste | 0 | 0 | 0 |
| Scheduled tribe | 2666 | 1405 | 1261 |
| Literates | 1927 | 1027 | 900 |
| Workers (all) | 2000 | 1038 | 962 |
| Main workers (total) | 1033 | 528 | 505 |
| Main workers: Cultivators | 820 | 404 | 416 |
| Main workers: Agricultural labourers | 9 | 7 | 2 |
| Main workers: Household industry workers | 5 | 4 | 1 |
| Main workers: Other | 199 | 113 | 86 |
| Marginal workers (total) | 967 | 510 | 457 |
| Marginal workers: Cultivators | 852 | 451 | 401 |
| Marginal workers: Agricultural labourers | 12 | 9 | 3 |
| Marginal workers: Household industry workers | 3 | 2 | 1 |
| Marginal workers: Others | 100 | 48 | 52 |
| Non-workers | 673 | 373 | 300 |