(a)(1) There shall be 180 members of the House of Representatives.

(2) The General Assembly by general law shall divide the state into 180 representative districts which shall consist of either a portion of a county or a county or counties or any combination thereof and shall be represented by one Representative elected only by the electors of such district.

(b) A member of the House of Representatives shall be a resident of the district which such member represents and at the time of such member’s election shall have been a resident of the territory embraced within such district for at least one year preceding such time.