Madhopur Ninaiya is a village in Salon block of Rae Bareli district, Uttar Pradesh, India.

[2] It is located 7 km from Salon, the block and tehsil headquarters.

[2] It has one primary school and no healthcare facilities, and it does not host a permanent market or a periodic haat.

[2] The 1961 census recorded Madhopur Ninaiya as comprising 3 hamlets, with a total population of 586 people (310 male and 276 female), in 122 households and 119 physical houses.

[4] The 1981 census recorded Madhopur Ninaiya as having a population of 747 people, in 200 households, and having an area of 231.48 hectares.