Laungpur (), also spelled Longpur (), is a village in Barnahal block of Mainpuri district, Uttar Pradesh. As of 2011, it hasd a population of 724, in 121 households.
As of 2011, Laungpur had a population of 724, in 121 households. This population was 53.9% male (390) and 46.1% female (334). The 0-6 age group numbered 108 (55 male and 53 female), or 14.9% of the total population. 235 residents were members of Scheduled Castes, or 32.5% of the total.
The 1981 census recorded Laungpur as having a population of 398 people, in 77 households.
The 1961 census recorded Laungpur as comprising 3 hamlets, with a total population of 317 people (173 male and 144 female), in 51 households and 31 physical houses. The area of the village was given as 646 acres.
As of 2011, Laungpur had 1 primary school; it did not have any healthcare facilities. Drinking water was provided by hand pump; there were no public toilets. The village did not have a post office or public library; there was at least some access to electricity for all purposes. Streets were made of both kachcha and pakka materials.