Mastemau is a village in Mohanlalganj tehsil in district of Lucknow, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mastemau was 2,239 which includes 1,191 males and 1,048 females. Mastemau covers 417.23 ha area. Pincode of Mastemau is N/A.