FILE - In this March 20, 2018 file photo, Republican gubernatorial candidate Jeanne Ives greets supporters at her election night party in Glen Ellyn, Ill. Ives is running for congress in Illinois on Nov. 3, 2020. (Mark Black/Daily Herald via AP, File)

Congressman Rodney Davis, R-Taylorville, answers questions from the media during a press conference about his race against challenger Betsy Dirksen Londrigan in his hometown of Taylorville, Ill., Tuesday, Nov. 3, 2020. (Ted Schurter/The State Journal-Register via AP)

FILE - In this Aug. 18, 2020 file photo, U.S. Rep Lauren Underwood, speaks at a news conference in Aurora, Ill. Underwood is running for re-election in the Nov. 3 general election. (Brian Hill/Daily Herald via AP, File)

U.S. Rep. Sean Casten, center, goes car-to-car with his daughter Audrey, 13, to thank his supporters, Tuesday, Nov. 4, 2020, at the Chicago Drive-In Theater in Hoffman Estates, Ill. (Mark Welsh/Daily Herald via AP)

Jim Oberweis, Republican candidate for Illinois Congressional District 14 speaks to the news media in the parking lot at his election night gathering at Hampton Inn & Suites in Aurora, Ill., Tuesday, Nov. 3, 2020. (John Starks/Daily Herald via AP)

FILE - In this Monday, March 9, 2020, file photo, Democrat Marie Newman campaigns in Chicago. Newman is opposing 3rd Illinois congressional district GOP candidate Mike Fricilone in the Nov. 3, 2020, general election. (AP Photo/Charles Rex Arbogast File)

FILE - In this Oct. 22, 2020 file photo, Sen. Dick Durbin, D-Ill., speaks during a news conference at the Capitol in Washington. Durbin is running for re_election against Republican Tom Cotton in the Nov. 3, 2020, general election. (AP Photo/J. Scott Applewhite File)