|Elevation||232 m (761 ft)|
|Time zone||IST (UTC+5:30)|
Jansath is located at. It has an average elevation of 232 metres (761 feet).
As of 2001[update] India census, Jansath had a population of 17,782. Males constitute 53% of the population and females 47%. Jansath has an average literacy rate of 55%, lower than the national average of 65.38. Male literacy is 64%, and female literacy is 45%. In Jansath, 18% of the population is under 6 years of age. There are two major religions: Hindu and Islam. Muslims constitutes around 35% of total population.
Jansath is located in Uttar Pradesh the north-western part of India, about 118 km from the National Capital of Delhi.
This is a historical town since the time of Mahabharat. An old temple, where the Kauravas and Pandvas played dice and lost their kingdom, is on the southern outskirts of Jansath and is known as "Mahadev ka Mandir".
The area has one of the largest concentrations of Sayyids in India. The influential Sayyid brothers, Sayyid Hassan Ali Khan and Sayyid Hussain Ali Khan, controlled the Mughal emperors from 1713 to 1720. After their murder in 1720 through a conspiracy by Mughal Emperor Farrukhsiyar, Jansath was attacked by the Mughals in 1939 and Sayyid Saifuddin Ali khan, the younger brother of Hassan and Hussain Ali Khan was killed in the battle. His tomb is in Jansath at the western entrance of the town.
The Jansath tehsil has several old monuments of the Mughal times including the house of Sayyid brothers which is called "Rang Mahal". The entrance is called “Bada Darwaza”. Rang Mahal is under the care of the decedents of Sayyid Saifuddin Ali Khan. Jansath has several other old monuments like Sheesh Mahal, Moti Mahal, Badi and Choti Haveli in Jannatabad.
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.