Sunam is listed in the Ain-i-Akbari as a pargana under the sarkar of Sirhind, producing a revenue of 7,067,696 dams for the imperial treasury and supplying a force of 2000 infantry and 500 cavalry.

The table below shows the population of different religious groups in Sunam Udham Singh Wala city, as of 2011 census.

This is a place in Sunam where people from all religions/communities come to pay homage to a great saint of the 17th century.

Descendants of his legacy are known as 'Bhaike' as they all are from a small village near Sunam named 'Bhai Ki Pishour'.

People of all faiths pay homage as Peer Banna Banoi was a God-fearing and true Muslim who sacrificed his life on the day of his marriage to save the Hindu and Sikh girls from being kidnapped by the armed goons.

Hindu Sabha High School Sunam was started on 19 February 1948.