In the immediate neighborhood of the Brahmaputra, the land is low and exposed to annual inundation. In this marshy tract reeds and canes flourish luxuriantly, and the only cultivation is that of rice. At a comparatively short distance from the river banks the ground begins to rise in undulating knolls towards the mountains of Bhutan on the north, and towards the Khasi hills on the south. The hills south of the Brahmaputra in some parts reach the height of. The Brahmaputra, which divides the district into two nearly equal portions, is navigable by river steamers throughout the year, and receives several tributaries navigable by large native boats in the rainy season. The chief of these are the Manas, Chaul Khoya and Barnadi on the north, and the Kulsi and Dibru on the south bank.
Flora and fauna
In 1989 Kamrup district became home to the Dipor BilWildlife Sanctuary, which has an area of. There is also a plantation where seedlings of teak, sal, sissu, sum, and nahor are reared, and experiments are being made with the caoutchouc tree. Kamrup is home to one of the few large colonies of greater adjutant storks still in existence. The villagers previously regarded the birds as pests, but outreach efforts including cultural and religious programming, especially aimed at local women, have rallied Kamrup residents to be proud of and protect the storks.
Demographics
Population
According to the 2011 census Kamrup district has a population of 1,517,542, roughly equal to the WestAfrican country of Gabon or the US state of Hawaii. This gives it a ranking of 327th in India. The district has a population density of . Its population growth rate over the decade 2001-2011 was 15.67%. Kamrup has a sex ratio of 946 females for every 1000 males, and a literacy rate of 72.81%. The religious composition of the district includes Hinduism 58% majority, second most popular is Islam that constitute 39% of the region and rest 3% include others religions like Sikhism, Christianity, Buddhism, Jainism and indigenous tribal religions according to census 2011 report. The district has people belonging to various indigenous Assamese communities like Keots/Kaibarta, Bodo, Rabha, Tiwa/Lalung, Amri Karbi, Dom/Nadiyal, Koch-Rajbongshi etc.
Religion
The district has followers of Hinduism, Islam, Christianity, Buddhism and Animism. The ancient temples of Kamakhya and Hajo attracts many pilgrims from all quarters. The people of Kamrup also donated a sacred Arya Avalokiteśvara statue to Stakna Monastery in Ladakh.
Language
Major language spoken natively is Kamrupi dialect of Assamese with pockets of Amri, a language related with Karbi, with 1,25,000 speakers; Tiwa and A'Tong, also spoken by 10,000 people, found mostly in southern parts bordering Meghalaya. All the indigenous Assamese communities use the Assamese language to communicate with other indigenous Assamese communities.
Economy
The staple crop of the district is rice, of which there are three crops. The indigenous manufactures are confined to the weaving of silk and cotton cloths for home use, and to the making of brass cups and plates. The chief exports are rice, oilseeds, timber, and cotton; the imports are fine rice, salt, piece goods, sugar, betel nuts, coconuts, and hardware. A section of the Assam-Bengal railway starts from Guwahati and a branch of the Eastern Bengal railway has recently been opened to the opposite bank of the river. A metalled road runs due south from Guwahati to Shillong.
