Gaderi () is a village in Mainpuri block of Mainpuri district, Uttar Pradesh. As of 2011, it has a population of 3,690, in 620 households.
As of 2011, Gaderi had a population of 3,690, in 620 households. This population was 53.4% male (1,971) and 46.6% female (1,719). The 0-6 age group numbered 522 (276 male and 246 female), or 14.1% of the total population. 938 residents were members of Scheduled Castes, or 25.4% of the total.
The 1981 census recorded Gaderi as having a population of 1,834 people, in 318 households.
The 1961 census recorded Gaderi as comprising 5 hamlets, with a total population of 1,261 people (692 male and 569 female), in 223 households and 167 physical houses. The area of the village was given as 1,924 acres.
As of 2011, Gaderi had 1 primary school; it did not have any healthcare facilities. Drinking water was provided by hand pump and tube well/borehole; 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.