It was created on 20 April 1999 from what were formerly the northern and northwestern districts of North Lampung.

[1] The administrative centre lies at the town of Blambangan Umpu.

[1] The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 224 rural desa and 8 urban kelurahan), and its post code.

Note: (a) including the kelurahan of Pasar Banjit.

(e) the 2010 and 2020 populations of the new Umpu Semenguk District are included in the figures for Blambangan Umpu District, from part of which it was created.