- Country – India
- Formation – 22 March 1912
- Capital – Patna
- Largest city – Patna
- Districts – 38
- Government
- Governor – Shri Phagu Chauhan
- Chief Minister – Shri Nitish Kumar
- Legislature – Bicameral
- Legislative Council – 75
- Legislative Assembly – 243
- High Court – Patna High Court
- Total Area – 94,163 km2 (36,357 sq mi)
- Population (2011)
- Total – 10,40,99,452
- Density – 1,106/km2 (2,850/sq mi)
- Time zone (GMT+5:30)
- Official language – Hindi
- Physical Features
- Latitude – 24°-20′-10″ ~ 27°-31′-15″ N
- Longitude – 83°-19′-50″ ~ 88°-17′-40″ E
- Rural Area – 92,257.51 sq. kms
- Urban Area – 1,095.49 sq. kms
- Total Area – 94,163.00 sq. kms
- Height above Sea-Level – 173 Feet
- Number of Rainy Days – 52.5 Days in a Year
- Administrative Units
- Divisions – 9
- Districts – 38
- Sub-Divisions – 101
- CD Blocks – 534
- Panchayats – 8,406
- Number of Revenue Villages – 45,103
- Number of Towns – 199
- – Statutory Towns – 139
- – Non-Statutory Towns – 60
- Police Stations – 853
- – Civil Police Stations – 813
- – Railway Police Stations – 40
- – Police Districts – 44
- Civil Police District – 40
- Railway Police District – 4
- Key Statistics – as per 2011 Census
- Density of Population – 1,106 per sq kms
- – Highest Density – Sheohar, 1880 per sq kms
- – Lowest Density – Kaimur, 488 per sq kms
- Most Populous District Patna: 58,38,465
- Least Populous District Sheikhpura: 6,36,342
- Sex Ratio (Females/Thousand Males) – 918
- – Highest Ratio (Gopalganj) – 1,021
- – Lowest Ratio (Munger) – 876
- Lowest Literacy Rate – Purnia, 51.08%
- Highest Literacy Rate – Rohtas, 73.37%
- Average Population of a District – 27,39,459
