[2] Ogan Ilir Regency covers an area of 2,666.07 km², and had a population of 380,904 at the 2010 Census[3] and 416,549 at the 2020 Census;[4] the official estimate as at mid 2023 was 439,469 (comprising 222,549 males and 216,920 females).

Ogan Ilir Regency then included the six districts of Indralaya (as the capital), Tanjung Raja, Tanjung Batu, Muara Kuang, Pemulutan and Rantau Alai.

This Regency is now administratively composed of sixteen districts (kecamatan), comprising 241 villages.

[1] The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 227 rural desa and 14 urban kelurahan), and its postal codes.

(d) The 7 districts of Rantau Panjang, Pemulutan, Pemulutan Selatan, Pemulutan Barat, Indralaya, Indralaya Utara and Indralaya Selatan, with a combined area of 959.07 km2 and a population of 201,955 in mid 2022,[5] form part of the Palembang metropolitan area.