| Year | Population | Growth | Growth rate (%) |
| 2000 | 1,35,047 | 72,787 | 5.69 |
| 2005 | 1,781,264 | 95,708 | 5.88 |
| 2010 | 2,482,205 | 126,364 | 5.69 |
| 2015 | 3,272,870 | 166,615 | 5.69 |
| 2020 | 3,992,411 | 169,986 | 4.45 |
| 2021 | 4,164,167 | 171,756 | 4.30 |