In the 1911 electoral redistribution, the North Island gained a further seat from the South Island due to faster population growth.
In addition, there were substantial population movements within each island, and significant changes resulted from this.
[2] Settlements that fell within the original Otago Central electorate included Roxburgh, Alexandra, and Ranfurly.
[4] In the 1927 electoral redistribution, the North Island gained a further electorate from the South Island due to faster population growth.
[6] The Otago Central electorate was represented by six Members of Parliament:[7] Key Reform United National Labour There were three candidates in 1943, with the election won by William Bodkin over James McIndoe Mackay.