10 ILCS 5/ Election Code.

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10 ILCS 5/Art. 29C

(10 ILCS 5/Art. 29C heading) ARTICLE 29C.

DIVISION OF LEGISLATIVE DISTRICTS

10 ILCS 5/29C-5

(10 ILCS 5/29C-5) (from Ch. 46, par. 29C-5; formerly Ch. 46, par. 811)

Sec. 29C-5.

Three Groups of Legislative Districts.

The 59 legislative districts of this State are divided into 3 groups for
the purpose of establishing the terms of Senators elected from each group.
The districts in each group are distributed substantially equally over the
State. The 3 groups shall consist of 20, 20 and 19 legislative districts,
respectively, with each group having as its first district number, one of
the numbers 1, 2 or 3, and shall be comprised of other district numbers, as
follows:

1 2 3

4 5 6

7 8 9

10 11 12

13 14 15

16 17 18

19 20 21

22 23 24

25 26 27

28 29 30

31 32 33

34 35 36

37 38 39

40 41 42

43 44 45

46 47 48

49 50 51

52 53 54

55 56 57

58 59

(Source: P.A. 87-1052.)

10 ILCS 5/29C-10

(10 ILCS 5/29C-10) (from Ch. 46, par. 29C-10)

Sec. 29C-10. Terms of Senators in each group.

Senators shall be elected from
districts in each group of legislative districts on the dates and for terms as
follows:

First group - 2022 and 2026 for 4 years each,
and in 2030 for 2 years;

Second group - 2022  for 4 years, 2026 for 2 years,
and in 2028 for 4
years; and

Third group - 2022 for 2 years, and in 2024 and 2028
 for 4 years each.

All 59 Senators, one from each of the 59 districts, shall be elected at
the first general election of representatives next occurring after each
decennial redistricting.

(Source: P.A. 102-10, eff. 6-4-21.)

10 ILCS 5/29C-15

(10 ILCS 5/29C-15) (from Ch. 46, par. 29C-15; formerly Ch. 46, par. 813)

Sec. 29C-15. Determination of groups.

To determine which group of Legislative Districts shall be the "First
group", "Second group", or "Third group" for the purpose of establishing
the terms for which Senators shall be elected in each group until the next
decennial redistricting, as provided in Section 3 of Article IV of the
Illinois Constitution of 1970, the Secretary of State, in the presence of
the President and Minority Leader of the Senate, after due notice to them,
shall, as soon as practicable after each redistricting finalized according
to law, draw one card at random, from 3 cards bearing the numbers 1, 2 and
3, and then draw one card at random from the 2 remaining cards. The first
number so drawn shall be the first number of the "First group" and Senators
shall be elected from districts in that group for terms as provided in
Section 29C-10 for that group. The second number so drawn shall be
the first number of the "Second group" and Senators shall be elected from
districts in that group for terms as provided in Section 29C-10 for
that group. The number on the remaining card shall be the first number of
the "Third group" and Senators shall be elected from districts in that
group for terms as provided in Section 29C-10 for that group.

(Source: P.A. 97-6, eff. 6-3-11.)