Please see the below from NASL member firm Third Reading Consulting Group:
The 2024 Illinois primary election will take place on March 19. Early voting began on February 15 in Chicago and February 21 in suburban Cook County and is currently underway in many other jurisdictions across the state. Candidates for President, Congress, the Illinois General Assembly, Illinois Supreme Court, and various local races will appear on the primary ballot to decide the Democrat and Republican Party nominees for the November 5 general election. The 2024 Illinois primary election will feature one competitive Supreme Court race, nine competitive Congressional races, six competitive State Senate races, and 22 competitive State House races.
Important Upcoming Dates – Statewide
March 19 – 2024 Primary Election
April 5 – House Committee Deadline
April 12 – Senate Third Reading Deadline
April 19 – House Third Reading Deadline
May 3 – Opposite Chamber Committee Deadline
May 17 – Opposite Chamber Third Reading Deadline
May 24 – Adjournment
May 25-31 – Contingent Session Days for Budget
November 5 – 2024 General Election