[1] There is a fort at Mahendragarh which was built by the Maratha ruler Tantia Tope during the 19th century.

During the rule of Mughals, Babur assigned the area to Malik Mahdud Khan.

The district is divided into 4 sub-divisions, each headed by a Sub-Divisional Magistrate (SDM): Narnaul, Mahendragarh, Nangal Chaudhary and Kanina.

There are 4 Haryana Vidhan Sabha constituencies located in this district: Ateli, Mahendragarh, Narnaul and Nangal Chaudhry.

In 2006 the Ministry of Panchayati Raj named Mahendergarh one of the country's 250 most backward districts (out of a total of 640).

There are 4 Vidhan Sabha constituencies in this district: Ateli, Mahendragarh, Narnaul and Nangal Chaudhary.

[4] According to the 2011 census, Mahendragarh district has a population of 922,088,[1] This gives it a ranking of 462nd in India (out of a total of 640).

[1] The district has a population density of 485 inhabitants per square kilometre (1,260/sq mi).

[1] Mahendragarh has a sex ratio of 895 females for every 1000 males,[1] and a literacy rate of 77.72%.