In a charter county , the board of commissioners must be composed of 5 to 21 members for counties with populations less than 600,000 .
In a charter county , the board of commissioners must be can have up to 27 members for counties with population more than 600,000 .
In a charter county , the board of commissioners must be composed of 5 to 21 members for counties with populations less than 600,000 , but can have up to 27 members for counties with population more than 600,000 .