Results of a new poll carried out by NBC-WSJ-Marist were published on March 29. Participants from Illinois were asked, who they would give their vote to, if the election were today. According to the results, 57.0% of interviewees are going to vote for the Democrats, while 32.0% are going to vote for the Republican Party. The poll was conducted between March 4 and March 10. The sample size was 1968 registered voters.
Converting these results into two-party vote shares yields values of 64.0% for the Democrats and 36.0% for the Republicans.