Khair is a city and a municipal board in Aligarh district in the Indian state of Uttar Pradesh.
As of 2001 India census, Khair had a population of 27,661. Males constitute 54% of the population and females 46%. Khair has an average literacy rate of 54%, lower than the national average of 59.5%: male literacy is 62%, and female literacy is 44%. In Khair, 17% of the population is under 6 years of age. Khair's main colony is Nai Basti. Other colonies & roads are Block Colony, Upadhyaya Mohalla, Somna Road and Bahadur Ganj. Khair is well connected to Delhi, Aligarh, Hathras, Mathura and Palwal, Noida and Greater Noida Ghaziabad. there is IEI Computer Education is famous Institute in Computer Education. And SKDM is also situated in Khair, IEI Is the Center of Jamia Urdu Aligarh. The city has medical facilities in the form of a community health centre.
Ramlila is the most popular festival celebrated by citizens. Many people participate and others come to enjoy this festival.