Koson, Mainpuri

As of 2011, Koson had a population of 2,409, in 419households.^[1]: 73 This population was 53.5% male (1,290) and 46.5% female (1,119). The 0-6 age group numbered 407 (199 male and 208 female), or 16.9% of the total population. 430 residents were members of Scheduled Castes, or 17.8% of the total.^{[2]: 64–5}

The 1981 census recorded Koson as having a population of 1,607 people, in 296 households.^{[3]: 130–1}

The 1961 census recorded Koson as comprising 3 hamlets, with a total population of 1,143 people (642 male and 501 female), in 222 households and 196 physical houses. The area of the village was given as 1,958 acres.^[4]: lxx

As of 2011, Koson 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.^{[1]: 73–8}