The regency covers an area of 6,040.6 square kilometres and had a population of 360,475 at the 2010 Census[2] and 422,401 at the 2020 Census;[3] the official estimate as at mid 2023 was 449,796 - comprising 226,316 males and 223,430 females.

[4] The main fishing centre in the regency is in Idl.

The regency also has several food-plant based industries producing tofu, tempeh and sun-dried banana chips.

Plantations also produce cacao and chocolate and in the Lokop area iron ore and lead is mined.

[4] The regency is divided administratively into twenty-four districts (kecamatan), listed below with their areas and their populations at the 2010 Census[2] and 2020 Census;[3] together with the official estimates as at mid 2023.