The Senate shall be composed of 21 members who shall be chosen to hold office for 4 years. The State shall be divided into 21 senatorial districts, from each of which shall be chosen by the qualified electors thereof, 1 Senator. The terms of office of the several Senators shall be staggered so that 10 Senators shall be elected at the first biennial general election following June 30, 2011, for a term of 2 years, and 11 Senators shall be elected at such election for a term of 4 years.

29 Del. C. 1953, § ?602; 54 Del. Laws, c. 360; 56 Del. Laws, c. 243; 58 Del. Laws, c. 280, §§ ?10, 11; 63 Del. Laws, c. 183, § ?1; 68 Del. Laws, c. 188, § ?1; 73 Del. Laws, c. 243, § ?1; 78 Del. Laws, c. 105, § ?1;