Saidpur Upazila (Nilphamari district) with an area of 121.68 sq km, is surrounded by Nilphamari Sadar and Kishoreganj (Nilphamari) upazilas on the north, Badarganj and Parbartipur upazilas on the south, Taraganj upazila on the east,Chirirbandar and Khansama upazilas on the west. 

Main rivers are Kharkharia, Chikli and Ballai. 

Saidpur (Town) consists of 15 wards and 43 mahallas. The area of the town is 34.42 sq km. The town has a population of 110151; male 51.02%, female 48.98%. The density of population is 3200 per sq km. Literacy rate among the town people is 39.3%. 

The biggest railway workshop of the Assam Bengal Railways was established at Saidpur Town in 1870. Saidpur has become a manufacturing town due to this railway workshop. Saidpur Municipality was established in 1858. The town has an airport. 

Administration Saidpur thana, now an upazila, was established in 1915. The upazila consists of one municipality, 15 wards, 6 union parishads, 72 mouzas and 40 villages. 

Archaeological heritage and relics Nat Settlement (prison, 1871), Saidpur Church (1893). 

Historical events Once Saidpur was under the kingdom of Kamrupa. Alauddin Syed Hussain Shah, king of Gaur, built a fort at Kellabari Hat near Saidpur during his invasion of Kamrupa. The descendants of Hussain Shah lived here. 

Marks of the War of Liberation Mass killing site at Golahat (here the Pak army killed 350 Bengalis in one day).

Population 199422; male 52.19%, female 47.81%; Muslim 92.26%, Hindu 7.54% and others 0.20%. 

Saidpur had mostly been a non-Bengali populated area before 1971 (75%). At present they constitute 40%; ethnic nationals: Santal approximately 1000. 

Religious institutions Mosque 228, temple 12, church 2. 

Literacy and educational institutions Average literacy 38.7%; male 47%, female 29.5%. 

Educational institution: college 6, high school 18, madrasa 18, government primary school 68, non-government primary school 3. Locally published newspapers and periodicals Weekly Alapan, Saidpur Barta and Janasamasya. 

Cultural organisations Club 32, public library 1, cinema hall 1, theatre group 9, circus party 1, theatre stage 1, literary society 2 and orphanage 6. 

Main occupations Agriculture 18.18%, agricultural labourer 19.21%, wage labourer 4.01%, commerce 15.83%, service 23.07%, transport 3.16% and others 16.54%.

Land use Total land under cultivation 9633 hectares, fallow land 138 hectares; single crop 8.93%, double crop 56.07% and treble crop land 35%; land under irrigation 6616 hectares. 

Land control Among the peasants 40% are landless, 26% small, 20% intermediate and 14% rich.

Value of land The market value of the land of the first grade is Tk 8000 per 0.01 hectare. 

Main crops Paddy, jute, wheat, brinjal, potato, onion, garlic, tobacco, vegetables and ginger. Extinct and nearly extinct crops Sesame, sweet potato and mustard seed. 

Main fruits Jackfruit, mango, black berry, guava and palm. Fisheries, dairies, poultries Dairy 15, poultry 139 and fishery 27. 

Communication facilities Roads: pucca 70 km and mud road 300 km; railway 6 km; airport 1. 

Traditional transport Palanquin, horse carriage and bullock cart. These means of transport are either extinct or nearly extinct. 

Manufactories Railway workshop, biscuit factory, rice and flour mill, ice factory, welding, aluminum factory, etc. 

Cottage industries Weaving, bamboo work, wood work, blacksmith, tailoring, potteries and bidi. 

Hats, bazars and fairs Hats and bazars are 12, most noted of which are Trimohani Hat, Sepayganj, Hazari, Kamarpukur, Dangarhat, Satpai, Karkhanagate Bazar and Rail Bazar; fair 1 (Porarhat Mela). 

Main exports Jute, paddy, wheat, potato, brinjal, bread, biscuit, toffee, aluminium goods. 

NGO activities Operationally important NGOs are BRAC, ASA, Grameen Krishi Foundation. 

Health centres Upazila health complex 1, railway hospital 1, school health centre 1, family planning centre 5.