Sarai Mugalpur (), also spelled Sarai Mughalpur, is a village in Barnahal block of Mainpuri district, Uttar Pradesh, India. As of 2011, it had a population of 1,050, in 173 households.
As of 2011, Sarai Mugalpur had a population of 1,929, in 315 households. This population was 51.9% male (545) and 48.1% female (505). The 0-6 age group numbered 136 (65 male and 71 female), or 13.0% of the total population. 121 residents were members of Scheduled Castes, or 11.5% of the total.
The 1981 census recorded Sarai Mugalpur as having a population of 436 people, in 68 households.
The 1961 census recorded Sarai Mughalpur as comprising 1 hamlet, with a total population of 314 people (177 male and 137 female), in 66 households and 42 physical houses. The area of the village was given as 295 acres.
As of 2011, Sarai Mugalpur had 1 primary school; it did not have any healthcare facilities. Drinking water was provided by hand pump; there were no public toilets. The village had a post office but no public library; there was at least some access to electricity for residential and agricultural (but not commercial) purposes. Streets were made of both kachcha and pakka materials.