The district is located in the extreme north of Rajasthan. It has an area of 12,645 km², a population of 1,779,650 (2011 census), and a population density of 184 persons/km². It is bounded on the north by Punjab state, on the east byHaryana state, on the south by Churu District of Rajasthan, and on the west by Ganganagar District of Rajasthan.
The major work of the district is farming; major crops include rice,bajra, cotton, sonamukhi, wheat, and vegetables.
This is the 31st district of Rajasthan. It was made as district on 12 July 1994 from Sri Ganganagar district. Earlier it was one of the Tehsils of Sri Ganganagar district. Hanumangarh also have a fort called BHATNER DURG. The Durg is the strongest and oldest one of India.