All votes are counted on each island, the returning officer tallies the points then relay the results to the Chief Electoral Officer on Rarotonga.
Tanga Morris, the senior statistician at Ministry of Finance and Economic Management, says each island has one polling station with the exception of Mangaia and Aitutaki that has three booths, and for Manihiki and Penrhyn that have two each.
The non-eligibility of non-Cook Islanders to vote are monitored by the executive officer for each island; only Cook Islanders are eligible to participate in the elections.
Aitutaki has six mayoral candidates, Mangaia and Mauke have four each and Penryhn has three contenders.
Two candidates from each of the islands of Pukapuka Nassau, Manihiki, Rakahanga, Mitiaro and Atiu have also put their names forward in the mayoral division.
The 2020 Island government election has 27 mayoral candidates and 87 councillors for a total registration of 114, slightly above the total of 112 registered in 2016.
Results will be announced as soon as it become available to the chief electoral officers.