Alampur Deha () is a village in Barnahal block of Mainpuri district, Uttar Pradesh, India. As of 2011, it had a population of 1,153, in 215 households.
As of 2011, Alampur Deha had a population of 1,153, in 215 households. This population was 52.4% male (604) and 47.6% female (549). The 0-6 age group numbered 166 (86 male and 80 female), or 14.4% of the total population. 426 residents were members of Scheduled Castes, or 36.9% of the total.
The 1961 census recorded Alampur Deha as comprising 3 hamlets, with a total population of 586 people (316 male and 270 female), in 123 households and 77 physical houses. The area of the village was given as 408 acres.
As of 2011, Alampur Deha had 1 primary school; it did not have any kind of healthcare facility. Drinking water was provided by hand pump and tube well; there were no public toilets. The village had a post office, as well as at least some access to electricity for domestic and agricultural purposes. There was no public library. Streets were made of a mix of both kachcha and pakka materials.