Number
|
District
|
Population (2001)
|
Muslim population
|
Percentage
|
1
|
Kishanganj
|
1,796,348
|
1,123,456
|
68%
|
2
|
Katihar
|
2,392,638
|
1,024,678
|
43%
|
3
|
Araria
|
2,158,608
|
887,972
|
42%
|
4
|
Purnia
|
2,543,942
|
935,239
|
38%
|
5
|
Darbhanga
|
3,295,789
|
748,971
|
23%
|
6
|
Sitamarhi
|
2,682,720
|
568,992
|
21%
|
7
|
West Champaran
|
3,043,466
|
646,597
|
21%
|
8
|
East Champaran
|
3,939,773
|
755,005
|
19%
|
9
|
Bhagalpur
|
2,423,172
|
423,246
|
18%
|
10
|
Madhubani
|
3,575,281
|
941,579
|
18%
|
11
|
Siwan
|
2,714,349
|
494,176
|
18%
|
12
|
Gopalganj
|
2,152,638
|
367,219
|
17%
|
13
|
Supaul
|
1,732,578
|
302,120
|
17%
|
14
|
Sheohar
|
515,961
|
80,076
|
16%
|
15
|
Muzaffarpur
|
4,746,714
|
752,358
|
15%
|
16
|
Saharsa
|
1,508,182
|
217,922
|
14%
|
17
|
Begusarai
|
2,349,366
|
313,713
|
13%
|
18
|
Banka
|
1,608,773
|
190,051
|
12%
|
19
|
Gaya
|
3,473,428
|
403,439
|
13%
|
20
|
Jamui
|
1,398,796
|
170,334
|
12%
|
21
|
Nawada
|
1,809,696
|
204,457
|
11%
|
22
|
Madhepura
|
1,526,646
|
173,605
|
11%
|
23
|
Aurangabad
|
2,013,055
|
221,436
|
11%
|
24
|
Kaimur
|
1,289,074
|
123,048
|
10%
|
25
|
Khagaria
|
1,280,354
|
131,441
|
10%
|
26
|
Rohtas
|
2,450,748
|
246,760
|
10%
|
27
|
Samastipur
|
3,394,793
|
355,897
|
10%
|
28
|
Saran
|
3,248,701
|
337,767
|
10%
|
29
|
Vaishali
|
2,718,421
|
259,158
|
10%
|
30
|
Jehanabad
|
1,514,315
|
124,149
|
8%
|
31
|
Munger
|
1,337,797
|
98,791
|
7.4%
|
32
|
Patna
|
4,718,592
|
366,164
|
8%
|
33
|
Bhojpur
|
2,243,144
|
163,193
|
7%
|
34
|
Nalanda
|
2,370,528
|
176,871
|
7%
|
35
|
Sheikhpura
|
525,502
|
37,755
|
7%
|
37
|
Buxar
|
1,402,396
|
86,382
|
6%
|
38
|
Lakhisarai
|
802,225
|
35,378
|
4%
|