Mainwan is a village in Kapurthala district of Punjab State, India. It is located 4 kilometres (2.5 mi) from Kapurthala, which is both district and sub-district headquarters of Mainwan. The village is administrated by a sarpanch, an elected representative of the village.
According to the report published by Census India in 2011, Mainwan has total number of 168 houses and population of 837 of which include 438 males and 399 females. Literacy rate of Mainwan is 75.90%, higher than state average of 75.84%. The population of children under the age of 6 years is 90 which is 10.75% of total population of Mainwan, and child sex ratio is approximately 1045, higher than state average of 846.