Nagla Devi () is a village in Bewar block of Mainpuri district, Uttar Pradesh, India. As of 2011, it had a population of 1,017, in 173 households.
As of 2011, Nagla Devi had a population of 1,017, in 173 households. This population was 51.9% male (528) and 48.1% female (489). The 0-6 age group numbered 132 (66 male and 66 female), or 13.0% of the total population. 256 residents were members of Scheduled Castes, or 25.2% of the total.
The 1981 census recorded Nagla Devi (as "Nagaladevi") as having a population of 705 people, in 106 households.
The 1961 census recorded Nagla Devi as comprising 1 hamlet, with a total population of 443 people (244 male and 199 female), in 76 households and 54 physical houses. The area of the village was given as 330 acres.
As of 2011, Nagla Devi 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 had a post office but no public library; there was at least some access to electricity for all purposes. Streets were made of both kachcha and pakka materials.