Rodney was a New Zealand parliamentary electorate, returning one Member of Parliament to the House of Representatives. The last MP for Rodney was Mark Mitchell of the National Party. He held this position from 2011 until the electorate was replaced with Whangaparāoa in 2020. Mitchell stood for and won that seat. Population centres The 1941 New Zealand census had been postponed due to World War II, so the 1946 electoral redistribution had to take ten years of population growth and movements into account. The North Island gained a further two electorates from the South Island due to faster population growth. The abolition of the country quota through the Electoral Amendment Act, 1945 reduced the number and increased the size of rural electorates. None of the existing electorates remained unchanged, 27 electorates were abolished, 19 electorates were created for the first time, and eight former electorates were re-established, including Rodney. The 1981 census had shown that the North Island had experienced further population growth, and three additional general seats were created through the 1983 electoral redistribution, bringing the total number of electorates to 95. The South Island had, for the first time, experienced a population loss, but its number of general electorates was fixed at 25 since the 1967 electoral redistribution. More of the South Island population was moving to Christchurch, and two electorates were abolished, while two electorates were recreated. In the North Island, six electorates were newly created, three electorates were recreated (including Rodney), and six electorates were abolished. The 1987 electoral redistribution took the continued population growth in the North Island into account, and two additional general electorates were created, bringing the total number of electorates to 97. In the South Island, the shift of population to Christchurch had continued. Overall, three electorates were newly created, three electorates were recreated, and four electorates were abolished (including Rodney). All of those electorates were in the North Island. Changes in the South Island were restricted to boundary changes. These changes came into effect with the . Rodney covers an area of the northern Auckland region from Warkworth in the north, south through the Hibiscus Coast to Auckland's northern urban fringe. High population growth in north and west Auckland has led to Rodney shrinking – Helensville and Kumeu were taken out in 1999, and the next major town to be removed was Wellsford after the 2006 census. At the 2020 general