At its creation, the North-Eastern District elected six of the 24 members of the Legislative Council.
Following the 1902 reduction in the size of the parliament, it elected 4 of 18 (20 after 1915) members.
Its initial extent was the House of Assembly districts of Yatala, Gumeracha, Barossa, Wooroora, Light and Burra.
[1] The Midland district included the Assembly districts of Barossa, Wooroora and Wallaroo thus including Yorke Peninsula (which had been in the Northern District) but giving up the Burra area.
[2] The members who represented the North-Eastern and Midlands districts were:[3] From the 1902 double dissolution election, each district only elected 4 members, for two terms of the lower house.