New ward boundaries were drawn up for this election, with the number of seats on the council reducing from 54 to 48.

[2] Prior to the election the council was under Conservative majority control.

Following the election the council was left under no overall control with the Liberal Democrats being the largest party; the Conservative leader of the council, Jonathan Ash-Edwards, lost his seat.

[3] The overall results were as follows:[4] The Statement of Persons Nominated, which details the candidates standing in each ward, was released by Mid Sussex District Council following the close of nominations on 4 April 2023.

[5] The results were as follows, with an asterisk (*) indicating an incumbent councillor standing for re-election.