Rajoir Upazila (Madaripur district) area 229.29 sq km, is surrounded by Bhanga upazila on the north, Kotalipara and Gopalganj Sadar upazilas on the south, Madaripur Sadar and Shibchar upazilas on the east, Muksudpur and Gopalganj Sadar upazilas on the west. 

Main river is Kumar; beel 5, most noted of which are Chandar Beel and Bagier Beel. Madaripur Beel Route is an important water transport route.

Rajoir (Town) consists of one mouza. The area of the town is 8.79 sq km. It has a population of 18001; male 51.54%, female 48.46%. The density of population is 2048 per sq km. Literacy rate among the town people is 32.5%. The town has one dakbungalow. 

Administration Rajoir as an informal thana was established in 1914 and was upgraded as a complete thana in 1982 which was turned into an upazila in 1983. The upazila consists of 10 union parishads, 93 mouzas and 177 villages. 

Historical description During the War of Liberation the Pak army and the Razakars raided the village Sendia and killed 50 villagers. They also conducted looting, burning, rapes and mass killing in various villages of Rajoir. 

Population 204356; male 50.30%, female 49.7%; Muslim 64.48%, Hindus 35.3%, others 0.22%.

Religious institutions Mosque 363, temple 286, church 7 and tomb 2.

Literacy and educational institutions Average literacy 28.45%; male 36.3%, female 20.6%. 

Educational institutions: college 4, high school 23, junior school 1, madrasa 3, private primary school 43, government primary school 80, technical institute 1. 

Noted educational institutions are Rajaram Institution at Khalia (1900) and Rajkumar Edward Institution at Bajiatpur.

Cultural organisations Club 42, public library 2, children organisation 1, theatre group 1, women's society 64, playground 28 and cinema hall 3. 

Main occupations Agriculture 44.92%, agricultural labourer 22.54%, wage labourer 2.57%, commerce 11.75%, hawkers 1.86%, construction 1.45%, service 4.71% and others 10.2%.

Land use Total cultivable land 24076.89 hectares; fallow land 6675.03 hectares; single crop land 18.05%, double crop 72.33% and treble crop land 9.62%. 

Land control Among the peasants 19.74% are landless, 53.37% small, 23.37% intermediate and 3.51% rich; cultivable land per head 0.12 hectare.

Value of land Market value of land of the first grade is Tk 7500 per 0.01 hectare.

Main crops Rice, jute, sugarcane, wheat, sweet potato, pulse, mustard oil.Extinct crops Kaun, china, barley, indigo and varieties of aman paddy.

Main fruits Mango, jackfruit, black berry, jamrul, litchi, banana, papaya, sabeda. 

Fisheries, dairies and poultries Fishery 28, poultry 105 and hatchery 1. Communication facilities Roads: pucca 33 km, semi pucca 13 km and mud road 325 km; waterways 707 nautical mile. 

Traditional transport Palanquin and duli (extinct). 

Manufactories Ice factory 5, rice mill 15, Milk-vita factory 1 (at Tekerhat). 

Cottage industries Weaving 430, bamboo work 85, blacksmith 41, potteries 51, wood work 204, bell-metal and brass work 22, jute and cotton work 34, ghani (oil grinding) 68, welding 10. 

Mineral resource Pit coal. 

Hats bazar and fairs Hats and bazars are 10, noted of which are Rajoir, Amgram, Bajitpur, Tekerhat and Kadambari, fairs 7, noted of which are Sendia Mela (Poush Sankranti), Bajitpur Mela (Maghi Purnima), Khaliar Mela (Baishakhi) and Gauish Pagaler Mela at Karambari. 

Main crops Jute and date-molasses. Health centres Upazila health centre, family planning centre 7 and satellite clinic 2.