| Khair | |
| Settlement Type: | Town |
| Pushpin Map: | India Uttar Pradesh#India3 |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Uttar Pradesh, India |
| Coordinates: | 27.95°N 77.83°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Type2: | District |
| Subdivision Name1: | Uttar Pradesh |
| Subdivision Name2: | Aligarh |
| Government Type: | Tehsil |
| Governing Body: | Nagar Palika Parishad |
| Leader Title: | MLA |
| Leader Name: | Anoop Valmiki (BJP) |
| Leader Title2: | MP |
| Leader Name2: | Satish Gautam(BJP) |
| Leader Title3: | Chairman |
| Leader Name3: | Sanjay Sharma |
| Unit Pref: | Metric |
| Elevation M: | 188 |
| Population Total: | 35751 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Language |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi[1] |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | Urdu |
| Demographics1 Title3: | Regional |
| Demographics1 Info3: | Brajbhasha[2] |
| Blank2 Name Sec2: | Lok Sabha constituency |
| Blank2 Info Sec2: | Aligarh |
| Blank1 Name Sec1: | Vidhan Sabha constituency |
| Blank1 Info Sec1: | Khair |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 202138 |
| Area Code: | 05724 |
| Area Code Type: | Telephone code |
| Registration Plate: | UP-81 |
Khair is a town and a municipal board in Aligarh district in the Indian state of Uttar Pradesh. Khair is the biggest town of Aligarh district. It is situated around 27 km from Aligarh, 114 km from Delhi and 60 km from Mathura.
The town was held by Amar Singh Jat during the 17th century. Amar Singh revolted against the Mughal Empire and declared his independent. He also built the fortress of Rait and became the leader of the rebels of Tappal, Khurja, Koel, Chandausi and Atrauli parganas.[3] [4] [5] [6]
As of 2011 Indian Census, Khair had a total population of 35,751, of which 19,019 were males and 16,732 were females. Population within the age group of 0 to 6 years was 5,322. The total number of literates in Khair was 20,334, which constituted 56.9% of the population with male literacy of 63.4% and female literacy of 49.4%. The effective literacy rate of 7+ population of Khair was 66.8%, of which male literacy rate was 74.5% and female literacy rate was 58.0%. The Scheduled Castes and Scheduled Tribes population was 6,485 and 6 respectively. Khair had 5883 households in 2011.[7]