[4] The many rivers in Nilphamari district include the Teesta, Buritista, Isamoti, Jamuneshwari, Dhum, Kumlai, Charalkata, Sorbomongola, Salki, Chikli, Chara and Deonai.

In 1870, the Assam-Bengal railway set up its largest workshop in Saidpur and many Biharis or Urdu-speakers came to work there.

During the British rule the telephone exchange for the whole Assam-Bengal District was also situated in Saidpur, and it was the third-largest city of Bangladesh after Dhaka and Chittagong.

[7] According to the 2022 Census of Bangladesh, Nilphamari District had 505,605 households and a population of 2,092,568, of whom, 25.35% of the inhabitants lived in urban areas.

Nilphamari had a literacy rate (age 7 and over) of 69.23%, compared to the national average of 74.80%, and a sex ratio of 99.15 males per 1000 females.

There is a small population of 1,000 Christians in the district, mainly in Nilphamari Sadar and Saidpur upazilas.

NESCO, a subsidiary company of BPDB, supplies power in urban areas and Bazars.

Among the working population 45.28% are farmers, 27.81% are farm laborer's, 3.42% are daily workers, 8.65% are businessmen, 6.07% are government and non-government employers, 8.77% have other occupations.

[10] Nilsagar a famous historical dighi (big pond) that stands at Dhobadanga mauza of Gorgram union about 14 km southwest of Nilphamari district headquarters.

Every year the banks of the dighi are used as a village fair site especially during the occasion of Baruni Snan festival in the full moon of the month of Baisakh.

Major Bus services are Greenline, Nabil, Shyamoli, Hanif, SA Travels, and BRTC.

There is an Airport at Saidpur near to Syedpur Cantonment Area about 20km from Nilphamari district town.

UsBangla, Novoair,AirAstra,Biman Bangladesh Airirlines Respectively Giving Their Services To This Local Airport.