Jasrau () is a village in Mainpuri block of Mainpuri district, Uttar Pradesh, India. As of 2011, it had a population of 2,025, in 323 households.
As of 2011, Jasrau had a population of 2,025, in 323 households. This population was 52.8% male (1,069) and 47.2% female (956). The 0-6 age group numbered 336 (178 male and 158 female), or 16.6% of the total population. 419 residents were members of Scheduled Castes, or 20.7% of the total.
The 1981 census recorded Jasrau as having a population of 1,053 people, in 179 households.
The 1961 census recorded Jasrau as comprising 1 hamlet, with a total population of 738 people (403 male and 335 female), in 122 households and 101 physical houses. The area of the village was given as 873 acres.
As of 2011, Jasrau had 1 primary school and 1 primary health centre. Drinking water was provided by hand pump and tube well/borehole; there were no public toilets. The village had a post office and public library, as well as at least some access to electricity for all purposes. Streets were made of both kachcha and pakka materials.