| Old Nkio | |
| Other Name: | Nkio (Old) |
| Settlement Type: | village |
| Pushpin Map: | India Nagaland#India |
| Pushpin Map Caption: | Location in Nagaland, India |
| Coordinates: | 25.3454°N 93.5674°W |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | State |
| Subdivision Name1: | Nagaland |
| Subdivision Type2: | District |
| Subdivision Name2: | Peren |
| Subdivision Type3: | Circle |
| Subdivision Name3: | Tening |
| Seat Type: | Panchayat |
| Unit Pref: | Metric |
| Population As Of: | 2011 |
| Population Total: | 1550 |
| Population Density Km2: | auto |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Blank Name Sec1: | Census code |
| Blank Info Sec1: | 268382 |
Old Nkio is a village in the Peren district of Nagaland, India. It is located in the Tening Circle.[1]
According to the 2011 census of India, Nkio (Old) has 226 households. The effective literacy rate (i.e. the literacy rate of population excluding children aged 6 and below) is 57.04%.
| Population | 1550 | 805 | 745 | |
| Children aged below 6 years | 186 | 103 | 83 | |
| 0 | 0 | 0 | ||
| 1542 | 802 | 740 | ||
| Literates | 778 | 442 | 336 | |
| Workers (all) | 856 | 430 | 426 | |
| Main workers (total) | 654 | 331 | 323 | |
| Main workers: Cultivators | 637 | 324 | 313 | |
| Main workers: Agricultural labourers | 7 | 4 | 3 | |
| Main workers: Household industry workers | 3 | 0 | 3 | |
| Main workers: Other | 7 | 3 | 4 | |
| Marginal workers (total) | 202 | 99 | 103 | |
| Marginal workers: Cultivators | 28 | 13 | 15 | |
| Marginal workers: Agricultural labourers | 163 | 79 | 84 | |
| Marginal workers: Household industry workers | 3 | 1 | 2 | |
| Marginal workers: Others | 8 | 6 | 2 | |
| Non-workers | 694 | 375 | 319 |