| Sl. No | Year | Population (Persons) | variation (+) Increase or (-) Decrease | Density of Population Per Sq.Km. | |
| No.of Persons | Percentage | ||||
| 1 | 2 | 3 | 4 | 5 | 6 |
| 1 | 1901 | 856680 | 0 | 0 | 46 |
| 2 | 1911 | 1010657 | 153977 | 17.97 | 55 |
| 3 | 1921 | 987889 | (-) 22768 | 2.25 | 53 |
| 4 | 1931 | 1174054 | 186165 | 18.84 | 64 |
| 5 | 1941 | 1308883 | 134829 | 11.48 | 71 |
| 6 | 1951 | 1447132 | 138249 | 10.56 | 78 |
| 7 | 1961 | 1590686 | 143554 | 9.92 | 86 |
| 8 | 1971 | 1932082 | 341396 | 21.46 | 105 |
| 9 | 1981 | 2444619 | 512537 | 26.53 | 133 |
| 10 | 1991 | 3077050 | 632431 | 25.87 | 167 |
| 11 | 2001 | 3513934 | 439884 | 14.20 | 190 |
| Sl. No. | Item | Unit | 1991 | 2001 | Decennial Growth rate (1991 - 2001) |
| 1 | 2 | 3 | 4 | 5 | 6 |
| 1 | Population | LAKHS | 30.77 | 35.14 | 14.20 |
| 2 | Males | LAKHS | 15.59 | 17.82 | 14.30 |
| 3 | Females | LAKHS | 15.17 | 17.32 | 14.17 |
| 4 | No.of Females per 1000 Males | LAKHS | 973 | 970 | ( - ) 0.31 |
| 5 | Rural Population | LAKHS | 27.35 | 31.43 | 14.92 |
| 6 | Urban Population | LAKHS | 3.42 | 3.71 | 8.48 |
| 7 | Literates | LAKHS | 7.35 | 13.56 | 84.49 |
| 8 | Main Workers | LAKHS | 14.71 | 14.78 | 0.48 |
| 9 | Non- Workers | LAKHS | 15.32 | 16.92 | 10.44 |
| 10 | 0 - 6 years | LAKHS | 5.92 | 5.28 | (-) 10.81 |
| 11 | Cultivators | LAKHS | 5.86 | 5.56 | ( - ) 5.12 |
| 12 | Agri.Labourers | LAKHS | 6.27 | 7.77 | 23.92 |
| 13 | Density of Population | LAKHS | 167 | 190 | 13.77 |
| 14 | Schedules Castes | LAKHS | 5.42 | 6.01 | 10.89 |
| 15 | Scheduled Tribes | LAKHS | 2.27 | 2.79 | 22.91 |