Dibrugarh is the headquarters of Dibrugarh district, Assam, India. Dibrugarh is one of the most important cities situated on the banks of the river Brahmaputra, Assam. The total geographical area of Dibrugarh District is 3381 sq.km. It extends from 27°0' N to 27°45' N latitude and 94°30' E to 95°30' E longitudes. It is the gateway to the three tea producing districts of Dibrugarh, Tinsukia, and Sivasagar. These three areas account for approximately 50% of India's Assam tea crop and this gives Dibrugarh its rightly earned sobriquet as the Tea City of India. Oil and Timber are the other big two industries in and around Dibrugarh. It is widely spread and developing rapidly in recent times. Dibrugarh is the first advance city in the history of Assam. It has two major railway stations; one is at town and the other in Banipur (Dibrugarh City West).
In 1950, the Major earthquake measuring over 8.6 on the Richter scale, changed the course of the Brahmaputra River, and this caused the destruction of more than 3/4ths of the town. It has since then been rebuilt over the years.
The British had established the Dibrugarh Town with the construction of railways in the year of 1882. The Dibrugarh municipality was constituted in the year 1878. The population was increased from 11,227 in 1901 to 1,39,565 in 2011. With further development of communication system by roads, air and railways by other part of our country and it is becoming an important educational and business centre of Assam.
The population of the town has increased from 11,227 in 1901 to 1,22,523 in 2001 and 1,39,565 in 2011. The total area of the Dibrugarh Master Plan Area (DMPA) is about 71.83 sq. km.
MAP OF DIBRUGARH MASTER PLAN AREA
WITH MUNICIPAL JURISDICTION
It is also the district head quarter of Dibrugarh district. The district, itself, is beautiful landscape whose northern boundary is delineated by the mighty Brahmaputra. With loamy alluvial soil and annual rainfall between 250 cm to 290 cm, the district forms a vast fertile land supporting luxuriant paddy field, tea gardens and thick forest with several species of valuable trees. The aerographic monsoon rain starts from May and established in the month of June reaches peak in the month of July and continues up to October. The average annual rainfall in Dibrugarh is 1800 mm per Annum.
Municipal area is 15.5 sq. km. The town is situated at 104 m above the mean sea level on a flat surface with a mild natural slope towards the south. Dibrugarh Town has also a picturesque setting surrounded by Tea Gardens.
As of the 2011 India census, Dibrugarh city had a population of 1,39,565. Males constituted 54% of the population and females 46%. The sex ratio of Dibrugarh city was 925 per 1000 males. Total literates in Dibrugarh city are 113,822, of which 60,782 are males and 53,040 are females. Therefore, the average literacy rate of Dibrugarh is 89.5%, which is higher than the national average literacy rate.
In Dibrugarh, 9% of the population is between 0 to 6 years of age, and the child ratio of girls is 940 per 1000 boys. Dibrugarh city area has a population of 154,019 according to a 2011 census. The Dibrugarh metropolitan areas include Barbari (AMC AREA), Dibrugarh, Mahpowalimara Gohain Gaon, Niz-Mankata, and Tekela Chiring Gaon.