Aizawl district is one of the eleven districts of Mizoram state in India. The headquarters of the district is Aizawl city, the capital of Mizoram. As of 2011, it is the most populous district of Mizoram.
As per the census 2011, the Aizawl District population is 400,309 (4 Lakh), and the estimated population in 2026 is 4.50 lakh.
| Aizawl district | Census 2011 |
| Total Population | 400,309 |
| Male Population | 199,270 |
| Female Population | 201,039 |
| Average Literacy (%) | 97.89% |
| Sex Ratio | 1009 |
| Child Sex Ratio | 979 |