This Regency is administratively composed of eighteen districts, comprising 327 villages. Their areas and their 2010 Census populations are listed below:
Name
Area
Population Census 2010
Lempuing
525.61
70,642
Lempuing Jaya
503.80
59,786
Sungai Menang
2,876.17
46,567
Mesuji
55.86
38,870
Mesuji Raya
128.85
34,334
Mesuji Makmur
1,513.14
51,456
Tulung Selapan
4,853.40
40,683
Cengal
2,226.41
42,683
Tanjung Lubuk
222.97
32,296
Teluk Gelam
168.29
21,268
Pedamaran
1,059.68
40,114
Pedamaran Timur
464.79
20,110
Kayu Agung
145.45
62,694
Pampangan
177.42
27,758
Pangkalan Lapam
525.61
26,033
Sirah Pulau Padang
149.08
41,709
Jejawi
218.98
38,098
Air Sugihan
2,593.82
32,180
History
In the Dutch colonial period, the region included in the territory of South Sumatra and Sub Residency Palembang and Tanah Datar with capital of Palembang. Afdeeling is divided into several onder afdeeling, and Ogan Komering Ilir region covers an area onder afdeeling Komering Ilir and onder afdeeling Ogan Ilir. After the Republic of Indonesia's independence, the territory of Ogan Komering Ilir was included in the residency of Palembang, which included 26 marga. Then, based on the Emergency Act No.4/1956 on the Establishment of the Autonomous Region Regencies in South Sumatra Province, Ogan Komering Ilir became one of the regencies in the province of South Sumatra. After the dissolution of the marga, Ogan Komering Ilir regency was divided into 12 districts and 4 districts definitive representation. Before 1996 Ogan Komering Ilir Regency had 14 districts and 4 districts definitive representation. Fourth districts such representation is the Pematang Panggang District with the District Parent Mesuji, District Cengal with the District Parent Tulung Selapan, District Rantau Alai with the District Parent Tanjung Raja and District Jejawi with the District Parent Sirah Pulau Padang. Furthermore, in 2001 the authorized representatives of the four districts into definitive districts, so Ogan Komering Ilir had 18 districts. Based on Presidential Decree No.37/2003 on the Establishment of East Ogan Komering Ulu, Ogan Komering Ilir and Ogan Ilir in South Sumatra Province, Ogan Komering Ilir Regency was divided into two regencies, namely Ogan Komering Ilir Regency and Ogan Ilir Regency. Ogan Ilir Regency included the 6 districts of Inderalaya, Tanjung Raja, Tanjung Batu, Muara Kuang, Pemulutan and Rantau Alai. After this expansion, Ogan Komering Ilir regency consists of 12 districts. Then, in accordance with Regencies Act No.5/2005, five of the existing Ogan Komering Ilir regencies were divided to form six new districts, namely Lempuing Jaya, Mesuji Makmur and Masuji Raya, East Pedamaran, Teluk Gelam, and Pangkalan Lampam. After this expansion Ogan Komering Ilir Regency has 18 administrative districts.