DISTRICT AT A GLANCE:
Geography:
| Location | Extreme North-East of Assam |
| Distance from State Capital | 491 km. |
| Area | 3790 sq. Km. |
| Borders | East- Arunachal Pradesh |
| North- Arunachal Pradesh and Dhemaji District | |
| South- Arunachal Pradesh and Dibrugarh District | |
| West- Dibrugarh District. | |
| Major River | Luhit, Burhi-dehing, Debong, Doom-dooma, Tirap, Dangari, Dibru and Kundil. |
| Major Hills | Patkai |
| Total Forest area | 55779 hector |
History:
| Attained Sub-Division status | 1973 A.D. |
| Attained District status | 1989 A.D. |
Administration:
| Head Quarter | Tinsukia |
| No. of Sub-divisions | 3 |
| Name of Sub-divisions | Tinsukia, Margherita, Sadiya. |
| No. of circles | 4 |
| No. of CD Blocks | 7 |
| Weaving Training Centre | 5 |
| Forest Guards School | 1 |
| No. of Villages | 994 |
| No. of Towns | 4 |
Population:
| Total Population (2011 census) | 1,327,929 |
| Male | 6,80,231 |
| Female | 6,47,698 |
| SC Population (2001 census) | 31,315 |
| ST population (2001 census) | 67,234 |
| Literacy Rate (2011 Census) | 70.92% |
| Male | 72.16% |
| Female | 63.4% |
| Sex ratio (Male: Female, 2011 census) | 1000:952 |
| Density per sq. km. | 350/sq.km. |
| Major Language | Assamese |
Economic:
| Major Economic sector | Agriculture |
| No. of Tea Gardens | 91 as per 1991-1993 |
| Area under Tea Plantation | 54,549.64 Hector |
Education:
| No. of colleges | 12 |
| No. of Law college | 01 |
| No. of B.Ed. College | 02 |
| IGNOU study centre | 01 |
| No. of Govt. H.S.S. | 01 |
| No. of Provincialised H.S.S. | 17 |
| No. of provincialised H.S. | 45 |
| No. of Adhoc. H.S. | 64 |
| No. of Elementary School | 1182 |
| No. of I.T.I | 02 |