Semar Khera is a village in Mahroni tehsil in district of Lalitpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Semar Khera was 658 which includes 344 males and 314 females. Semar Khera covers 234.8 ha area. Pincode of Semar Khera is N/A.