[1] The administrative centre is the town of Timika, which lies within Mimika Baru District, which had 143,367 inhabitants in mid-2023.

[1] The regency covers the entire south coast of its province.

On 8 October 1996, the Minister of Home Affairs in Jayapura designated Mimika as an Administrative District.

Mimika Regency in 2010 comprised twelve districts (distrik); by 2018 the number of districts had risen to eighteen, all of which are tabulated below with their populations at the 2010 Census[2] and the 2020 Census,[3] as well as the official estimates as at mid-2023.

(c) comprising 11 kelurahan (Dingo Narama, Kebun Sirih, Koperapoka, Kwamki, Otomona, Pasar Sentral, Perintis, Sempan, Timika Indah, Timika Jaya and Wanagon) and 3 desa.