New 30 District

Total population

ST

Old 13 districts

Orissa

3,68,04,660

81,45,081

Bargarh*

13,46,336

2,60,691

    Sambalpur

Jharsuguda*

5,09,716

1,59,757

Sambalpur

9,35,613

3,22,770

Debagarh*

2,74,108

   92,103

Sundargarh

18,30,673

9,18,903

Sundargarh

Keonjhar

15,61,990

6,95,141

Keonjhar

Mayurbhanj

22,23,456

12,58,459

Mayurbhanj

Baleswar

20,24,508

2,28,454

Baleswar

Bhadrak*

13,33,749

25,141

Kendrapara*

13,02,005

  6,822

Cuttack

Jagatsinghpur*

10,57,629

  8,640

Cuttack

23,41,094

83,591

Jajpur

16,24,341

1,25,989

Dhenkenal

10,66,878

1,36,501

Dhenkenal

Angul*

11,40,003

1,32,994

Nayagarh*

8,64,516

50,836

Puri

Khodra*

18,77,395

97,186

Puri

15,02,682

4,482

Ganjam

31,60,635

90,919

Ganjam

Gajapati*

5,18,837

2,63,476

Kandhamal

6,48,201

3,36,809

Phulabani

Baudh*

3,73,372

46,557

Sonepur*

5,18,837

2,63,476

Balangir

Balangir

13,37,194

2,75,822

Nuapara*

5,03,690

1,84,221

Kalahandi

Kalahandi

13,35,494

3,82,573

Rayagada*

8,31,109

4,63,418

Koraput

Koraput

11,80,637

5,85,830

Malkangiri*

5,04,198

2,89,538

Nabarangapur*

10,25,766

5,64,480