List of Districts in Bihar 2021
List of Districts in Bihar 2021
Bihar is a state in Eastern India. Its third most populous state in India after UP & Maharashtra. As of 2021, there are a total of 38 districts in Bihar.
Bihar District List
| # | District | Population (2011) | Area (km²) |
| 1 | Araria | 2,806,200 | 2,829 |
| 2 | Arwal | 700,843 | 638 |
| 3 | Aurangabad | 2,511,243 | 3,303 |
| 4 | Banka | 2,029,339 | 3,018 |
| 5 | Begusarai | 2,954,367 | 1,917 |
| 6 | Bhagalpur | 3,032,226 | 2,569 |
| 7 | Bhojpur | 2,720,155 | 2,473 |
| 8 | Buxar | 1,707,643 | 1,624 |
| 9 | Darbhanga | 3,921,971 | 2,278 |
| 10 | East Champaran | 5,082,868 | 3,969 |
| 11 | Gaya | 4,379,383 | 4,978 |
| 12 | Gopalganj | 2,558,037 | 2,033 |
| 13 | Jamui | 1,756,078 | 3,099 |
| 14 | Jehanabad | 1,124,176 | 1,569 |
| 15 | Kaimur | 1,626,900 | 3,363 |
| 16 | Katihar | 3,068,149 | 3,056 |
| 17 | Khagaria | 1,657,599 | 1,486 |
| 18 | Kishanganj | 1,690,948 | 1,884 |
| 19 | Lakhisarai | 1,000,717 | 1,229 |
| 20 | Madhepura | 1,994,618 | 1,787 |
| 21 | Madhubani | 4,476,044 | 3,501 |
| 22 | Munger | 1,359,054 | 1,419 |
| 23 | Muzaffarpur | 4,778,610 | 3,173 |
| 24 | Nalanda | 2,872,523 | 2,354 |
| 25 | Nawada | 2,216,653 | 2,492 |
| 26 | Patna | 5,772,804 | 3,202 |
| 27 | Purnia | 3,273,127 | 3,228 |
| 28 | Rohtas | 2,962,593 | 3,850 |
| 29 | Saharsa | 1,897,102 | 1,702 |
| 30 | Samastipur | 4,254,782 | 2,905 |
| 31 | Saran | 3,943,098 | 2,641 |
| 32 | Sheikhpura | 634,927 | 689 |
| 33 | Sheohar | 656,916 | 443 |
| 34 | Sitamarhi | 3,419,622 | 2,199 |
| 35 | Siwan | 3,318,176 | 2,219 |
| 36 | Supaul | 2,228,397 | 2,410 |
| 37 | Vaishali | 3,495,021 | 2,036 |
| 38 | West Champaran | 3,935,042 | 5,229 |
Largest & Smallest District in Bihar by Area
West Champaran district covering an area of 5229 km² is the largest district of Bihar. Sheohar District is the smallest district of Bihar with total area is 443 km²
| # By Area | District | Area |
| Largest | West Champaran | 5229 km² |
| Smallest | Sheohar | 443 km2 |
Source: Census 2011
Largest & Smallest District in Bihar by Population
Patna District is the most populated district in Uttar Pradesh. Its Population as per census 2011 is 57.80 Lakhs. Sheikhpura District with a population of 6.35 lakhs is the least populated district in Bihar.
| # by Population | District | Population (Census 2011) |
| Most Populated | Patna | 5772804 |
| Least | Sheikhpura | 634927 |
Highest and Lowest Population Density
Sheohar District (1882 people per km) has the highest Population density in Bihar. Kaimur District with a population density of 488 people per km has the lowest density district in Bihar.
| # by Density | District | Density (person/km) |
| Highest | Sheohar | 1882 |
| Least | Kaimur | 488 |
Source: Census 2011
Bihar District with Highest & Lowest Literacy rate
| # by Literacy Rate | District | Literacy Rate |
| Most Literate | Rohtas | 73.37% |
| Least | Purnia | 51.08% |
Source: Census 2011
Bihar District with Highest & Lowest Male Female Ratio
Gopalganj district (1021) has the highest Male-Female Sex ratio in Bihar. Munger District (876) has the lowest male-female sex ratio in Bihar
| # by Literacy Rate | District | Sex ratio |
| Highest | Gopalganj | 1021 females to 1000 males |
| Lowest | Munger | 876 females to 1000 males |
Source: Census 2011