(705 ILCS 24/50)

Sec. 50. Miscellaneous provisions.

(a) In this Act, all counties, townships, census tracts, voting tabulation districts, block groups, and blocks are those that appear on maps published by the United States Bureau of the Census for the 2020 decennial census.

(b) As used in this Act:

"Pct" means precinct as the precinct was configured on May 27, 2021.

"Tract" means census tract. A census tract is identified by a number with up to 4 digits and an optional 2-digit suffix. Census tract numbers consist of 6 digits with an implied decimal point between the fourth and fifth digit, with leading zeroes for census tract numbers with less than 4 digits and trailing zeroes for census tract numbers without a suffix.

"Wd" means ward.

(c) All judicial subcircuits created by this Act for the purpose of electing judges shall not be altered by operation of any other statute, ordinance, or resolution.

(d) In this Act, blocks are identified by a 15-digit number as follows:

(1) The first 2 digits are the state code, using American National Standards Institute INCITS 31:2009 codes.

(2) The next 3 digits are the county code, using American National Standards Institute INCITS 31:2009 codes.

(3) The next 6 digits are the census tract number.

(4) The last 4 digits are the block number.

(e) Any part of a circuit that has not been described as included in one of the judicial subcircuits described in this Act is included within the judicial subcircuit of that circuit that (i) is contiguous to the part and (ii) contains the least population of all subcircuits in that circuit contiguous to the part according to the 2020 decennial census.

(f) If any part of a circuit is described in this Act as being in more than one judicial subcircuit, the part is included within the subcircuit in that circuit that (i) is one of the subcircuits in which that part is listed in this Act, (ii) is contiguous to that part, and (iii) contains the least population according to the 2020 decennial census.

(g) If any part of a circuit (i) is described in this Act as being in one judicial subcircuit and (ii) is entirely surrounded by another judicial subcircuit, the part shall be incorporated into the subcircuit that surrounds the part.

(h) If any part of a circuit (i) is described in this Act as being in one judicial subcircuit; and (ii) is not contiguous to another part of the subcircuit, the part is included with the contiguous subcircuit in that circuit that contains the least population according to the 2020 decennial census.

(i) The Speaker of the House and the President of the Senate shall by joint letter of transmittal present to the Secretary of State for deposit into the State Archives an official set of United States Bureau of the Census 2020 geography maps, and those maps shall serve as the official record of all counties, census tracts, and blocks referred to in this Act.

(Source: P.A. 102-693, eff. 1-7-22.)