Bihar Population Data
Comprehensive demographics including 2026 projections, Census 2011, and 2001 data.
Bihar Population 2026
Based on growth trends from previous census data. Official Census 2011 data serves as the baseline.
Census 2011 Data
OfficialDistricts in Bihar
| District | Pop. 2011 | Growth (01-11) |
|---|---|---|
| Patna | 58,38,465 | + 23.73 % |
| Purba Champaran | 50,99,371 | + 29.43 % |
| Muzaffarpur | 48,01,062 | + 28.14 % |
| Madhubani | 44,87,379 | + 25.51 % |
| Gaya | 43,91,418 | + 26.43 % |
| Samastipur | 42,61,566 | + 25.53 % |
| Saran | 39,51,862 | + 21.64 % |
| Darbhanga | 39,37,385 | + 19.47 % |
| Pashchim Champaran | 39,35,042 | + 29.29 % |
| Vaishali | 34,95,021 | + 28.57 % |
| Sitamarhi | 34,23,574 | + 27.62 % |
| Siwan | 33,30,464 | + 22.7 % |
| Purnia | 32,64,619 | + 28.33 % |
| Katihar | 30,71,029 | + 28.35 % |
| Bhagalpur | 30,37,766 | + 25.36 % |
| Begusarai | 29,70,541 | + 26.44 % |
| Rohtas | 29,59,918 | + 20.78 % |
| Nalanda | 28,77,653 | + 21.39 % |
| Araria | 28,11,569 | + 30.25 % |
| Bhojpur | 27,28,407 | + 21.63 % |
| Gopalganj | 25,62,012 | + 19.02 % |
| Aurangabad | 25,40,073 | + 26.18 % |
| Supaul | 22,29,076 | + 28.66 % |
| Nawada | 22,19,146 | + 22.63 % |
| Banka | 20,34,763 | + 26.48 % |
| Madhepura | 20,01,762 | + 31.12 % |
| Saharsa | 19,00,661 | + 26.02 % |
| Jamui | 17,60,405 | + 25.85 % |
| Buxar | 17,06,352 | + 21.67 % |
| Kishanganj | 16,90,400 | + 30.4 % |
| Khagaria | 16,66,886 | + 30.19 % |
| Kaimur (Bhabua) | 16,26,384 | + 26.17 % |
| Munger | 13,67,765 | + 20.21 % |
| Jehanabad | 11,25,313 | -25.69 % |
| Lakhisarai | 10,00,912 | + 24.77 % |
| Arwal | 7,00,843 | - |
| Sheohar | 6,56,246 | + 27.19 % |
| Sheikhpura | 6,36,342 | + 21.09 % |
Metro Cities / Urban Agglomerations in Bihar
12 Urban Agglomerations in Bihar
Patna
Population: 20,49,156
Literacy: 72.46%
Gaya
Population: 4,75,987
Literacy: 70.61%
Bhagalpur
Population: 4,12,209
Literacy: 67.97%
Muzaffarpur
Population: 3,96,590
Literacy: 72.41%
Purnia
Population: 3,12,669
Literacy: 61.46%
Darbhanga
Population: 3,08,011
Literacy: 67.93%
Katihar
Population: 2,40,838
Literacy: 67.47%
Chapra
Population: 2,13,714
Literacy: 67.04%
Bettiah
Population: 1,55,518
Literacy: 67.29%
Nawada
Population: 1,18,768
Literacy: 67.68%
Buxar
Population: 1,10,881
Literacy: 71.45%
Sitamarhi
Population: 1,06,093
Literacy: 65.52%
Religion Demographics in Bihar
Bihar, the birthplace of Buddhism at Bodh Gaya, maintains a predominantly Hindu population while hosting significant Muslim communities in districts like Kishanganj and Katihar. The state's religious history spans millennia of continuous spiritual tradition.
| Religion | Population | Percentage |
|---|---|---|
| ποΈ Hindu | 8.16 Cr | |
| βͺοΈ Muslim | 1.65 Cr | |
| π Other | 2.49 Lakh | |
| βοΈ Christian | 1.19 Lakh | |
| πͺ― Sikh | 22,557 | |
| π Jain | 18,489 | |
| βΈοΈ Buddhist | 16,409 | |
Frequently Asked Questions
What is the Hindu population in Bihar?
The Hindu population in Bihar is 8.16 Cr (8,15,75,030), comprising 82.8% of the state's total population as per Census 2011.
What percentage of Bihar is Muslim?
Muslim comprises 16.8% of Bihar's population, making it the second largest religious community in the state.
Which religion is majority in Bihar?
Hindu is the majority religion in Bihar, comprising 82.8% of the total population.