Of the Commissioners from this State to be appointed in accordance with this subchapter, 2 Commissioners shall be appointed from New Castle County, no more than 1 of whom shall be of the same political party, 2 Commissioners shall be appointed from Kent County, no more than 1 of whom shall be from the same political party, and 2 Commissioners shall be appointed from Sussex County, no more than 1 of whom shall be of the same political party.