| Rank | Name | District | Type* | Population 2021(projection UN) Population 2011 | Male | Female | Population (0-6 years) | Literacy Rate |
| 1 | Patna | Patna district | UA | 2,481,530(2021) 2,046,652 | 1,087,864 | 958,788 | 239,035 | 84.05 |
| 2 | Gaya | Gaya district | UA | 575,652(2021) 470,839 | 249,797 | 221,042 | 62,389 | 85.45 |
| 3 | Muzaffarpur | Muzaffarpur district | UA | 516,403(2021) 404,817 | 213,892 | 190,925 | 49,260 | 74.04 |
| 4 | Purnia | Purnia district | UA | 496,830(2021) 310,258 | 196,573 | 183,552 | 47,730 | 79.09 |
| 5 | Begusarai | Begusarai district | City | 494,581(2021) 251,136 | 133,931 | 117,205 | 37,966 | 79.35 |
| 6 | Bhagalpur | Bhagalpur district | UA | 487,027(2021) 410,210 | 218,284 | 191,926 | 55,898 | 80.76 |
| 7 | Bihar Sharif | Nalanda district | City | 381,995(2021) 296,889 | 154,915 | 141,974 | 43,646 | 80.32 |
| 8 | Darbhanga | Darbhanga district | UA | 356,165(2021) 380,125 | 196,5739 | 183,552 | 47,730 | 85.07 |
| 9 | Arrah | Bhojpur district | City | 337114(2021) 261,099 | 139,319 | 121,780 | 34,419 | 83.41 |
| 10 | Katihar | Katihar district | UA | 240,565 | 126,834 | 113,731 | 32,824 | 80.09 |
| 11 | Munger | Munger district | City | 213,101 | 113,173 | 99,928 | 29,260 | 81.83 |
| 12 | Chhapra | Saran district | UA | 212,955 | 112,280 | 100,675 | 29,133 | 81.01 |
| 13 | Mehsi | East Champaran district | City | 182,460 | 63,356 | 39,489 | 23,867 | 81.32 |
| 14 | Danapur | Patna district | City | 182,214 | 97,129 | 85,112 | 25,092 | 78.40 |
| 15 | Bettiah | West Champaran district | UA | 156,200 | 82,663 | 73,537 | 22,067 | 80.89 |
| 16 | Saharsa | Saharsa district | UA | 155,175 | 82,589 | 72,586 | 24,582 | 77.66 |
| 17 | Hajipur | Vaishali district | City | 147,688 | 78,047 | 69,641 | 20,090 | 76.80 |
| 18 | Sasaram | Rohtas district | City | 147,396 | 77,687 | 69,709 | 19,363 | 82.31 |
| 19 | Dehri | Rohtas district | City | 137,068 | 72,311 | 64,757 | 18,372 | 83.38 |
| 20 | Siwan | Siwan district | City | 134,458 | 70,670 | 63,788 | 17,632 | 84.65 |
| 21 | Motihari | East Champaran district | City | 125,183 | 67,438 | 57,745 | 16,325 | 87.20 |
| 22 | Nawada | Nawada district | UA | 118,820 | 62,361 | 56,459 | 16,475 | 81.80 |
| 23 | Bagaha | West Champaran district | City | 113,012 | 59,946 | 53,066 | 19,070 | 60.67 |
| 24 | Buxar | Buxar district | UA | 110,608 | 58,228 | 52,380 | 14,938 | 84.40 |
| 25 | Kishanganj | Kishanganj district | City | 107,076 | 55,688 | 51,388 | 17,017 | 74.71 |
| 26 | Sitamarhi | Sitamarhi district | UA | 105,924 | 56,526 | 49,398 | 15,032 | 78.89 |
| 27 | Jamalpur | Munger district | City | 105,221 | 56,231 | 48,990 | 12,298 | 87.38 |
| 28 | Jehanabad | Jehanabad district | City | 102,456 | 54,868 | 47,588 | 14,516 | 79.66 |
| 29 | Aurangabad | Aurangabad district | City | 101,520 | 53,307 | 48,213 | 14,292 | 86.89 |
Bihar
Chhattisgarh is a state located in central India and is the 10th largest state by area. The state was carved out of Madhya Pradesh in the year 2000 and has Raipur as its capital. The state is rich in mineral resources, and it is known for its iron and steel industries. The state"s economy is also driven by agriculture, with rice being the primary crop grown. The state is home to several tribes, and their cultural heritage is evident in the state"s cuisine, music, and dance forms. The state also has several notable tourist destinations, including the Chitrakoot Falls, the Bastar Palace, and the Bhilai Steel Plant.