As used in this chapter:
(1) “Apportionment standard for the House of Representatives” means the number obtained by dividing the total population in the State by the number of members of the House of Representatives of the General Assembly.
(2) “Apportionment standard for the Senate” means the number obtained by dividing the total population in the State by the number of members of the Senate.
(3) “Board” means the Legislative Apportionment Board.
(4) “Population” means the most recent census taken under the authority of Congress or a special census ordered to be taken by the Legislature.