Kasadh () is a village in Jagir block of Mainpuri district, Uttar Pradesh, India. As of 2011, it had a total population of 787, in 143 households.
As of 2011, Kasadh had a population of 787, in 143 households. This population was 52.7% male (415) and 47.3% female (372). The 0-6 age group numbered 150 (94 male and 56 female), or 19.1% of the total population. 306 residents were members of Scheduled Castes, or 38.9% of the total.
The 1981 census recorded Kasadh as having a population of 503 people, in 82 households.
The 1961 census recorded Kasadh as comprising 2 hamlets, with a total population of 395 people (219 male and 176 female), in 62 households and 50 physical houses. The area of the village was given as 665 acres.
As of 2011, Kasadh had 1 primary school; it did not have any healthcare facilities. Drinking water was provided by well, hand pump, and tube well; there were no public toilets. The village had a post office but no public library; there was at least some access to electricity for all purposes. Streets were made of both kachcha and pakka materials.