District wise  Population Density of Bihar
SL	Name of  the District	Population Density in 2001*	Rank in  2001	Population Density in 1991	Rank in  1991
1	2	3	5	4	5
1.	Patna	1,471	1	1,130	1
2.	Darbhanga	1,442	2	1,102	2
3.	Vaishali	1,332	3	1,054	3
4.	Saran	1,231	5	974	5
5.	Begusarai	1,222	6	946	6
6.	Siwan	1,221	4	978	4
7.	Sitamarhi	1,214	9	915	9
8.	Muzaffarpur	1,180	8	931	8
9.	Samastipur	1,175	7	936	7
10.	Sheohar	1,161	10	853	10
11.	Gopalganj	1,057	12	838	12
12.	Madhubani	1,020	13	809	13
13.	Nalanda	1,006	11	848	11
14.	East Champaran	991	14	767	14
15.	Jehanabad	963	15	749	15
16.	Bhagalpur	946	16	743	16
17.	Bhojpur	903	17	725	17
18.	Saharsa	885	19	665	19
19.	Buxar	864	18	670	18
20.	Khagaria	859	21	664	21
21.	Madhepura	853	22	659	22
22.	Munger	800	20	665	20
23.	Purnia	787	25	582	25
24.	Katihar	782	24	597	24
25.	Sheikhpura	762	23	610	23
26.	Araria	751	26	569	26
27.	Nawada	726	28	545	28
28.	Supaul	724	27	557	27
29.	Gaya	696	29	536	29
30.	Kishanganj	687	31	522	31
31.	Lakhisarai	652	30	526	30
32.	Rohtas	636	32	498	32
33.	Aurangabad	607	33	466	33
34.	West Champaran	582	34	446	34
35.	Banka	533	35	428	35
36.	Jamui	451	36	339	36
37.	Kaimur	382	37	292	37
* Area figures of the districts on the basis of which population densities have been worked  out are provisional.