Primary election

For the primaries, turnout was 33.54%, with 1,037,951 ballots cast. The ballots cast comprised 957,791 Democratic, 79,669 Republican, and 491 nonpartisan primary ballots. Turnout in the city of Chicago was 37.78%, while turnout in suburban Cook County was 29.42%.^[4][5]

Turnout in the primaries was considered to be low for a presidential primary.^[6] The low turnout was attributed by many to the ongoing COVID-19 pandemic.^[6] The potentially suppressed turnout of election-day voting as a result of virus concerns was partially offset by high in-person early voting and mail-in ballot numbers.^[6] 339,000 people cast early votes, a record number, with Chicago seeing 172,000, and the rest of Cook County seeing 167,000 early votes, a record for each jurisdiction.^[6] The election also saw a record number of requests made for mail-in ballots, with both Chicago and the rest of Cook County seeing numbers of requests surpassing any previous election.^[6] In Chicago there were 118,000 such requests, with over 80,000 mail-in ballots ultimately being returned and counted.^[7] In suburban Cook County, 47,652 mail-in ballots were returned, setting a record.^[8] In Chicago, 45% of votes cast were either early votes or votes by mail.^[7] In suburban Cook County, 56% of votes cast were either early votes or votes by mail.^[8]

The county's turnout was higher than the statewide turnout rate of 28.36%.^[9]

General election

For the general election, turnout was 72.20%, with 2,349,010 ballots cast. Turnout in the city of Chicago was 73.28%, while turnout in suburban Cook County was 71.18%.^[10][11][12]

The county, as a whole, saw a turnout that was slightly below the statewide turnout rate of 72.92%.^[9]

Democratic

All four candidates in the Democratic Party primary for the office pledged to modernize the office and to address corruption.^[17][18]

Candidates

The following candidates ran for the Democratic Party nomination for Clerk of the Circuit Court:

Withdrew

• Theresa Siaw, candidate for 29th ward alderman in 2019^[20]
• Mariyana Spyropoulos, member of the Metropolitan Water Reclamation District of Greater Chicago Board of Commissioners^[20]
• Todd Stroger, former president of the Cook County Board of Commissioners –withdrew amid challenge to his ballot petitions^[21]

Endorsements

Polls

Results

Republican

Candidates

The following candidates ran for the Republican party nomination for Clerk of the Circuit Court:

Write-in candidates

• Richard Mayers,^[31] perennial candidate and alleged white supremacist,^{[32][33][34][35][36][37]} write-in candidate for Chicago Mayor, City Clerk, Treasurer, and alderman in 2019;^[38] congressional candidate in 2000,^[36] 2002,^[36] 2008,^[36] 2016, 2018,^[39][40][41] and 2020;^[42] 1998 State House candidate;^[36] 1993 Berwyn city clerk and city treasurer candidate;^[36] write-in candidate for U.S. Senator in 2020;^[42] write-in candidate in 2020 Illinois Republican presidential primary^[42]

Results

Democratic

Incumbent Kim Foxx faced three opponents in the, two former Assistant State's Attorneys, Bill Conway and Donna More, and former Chicago alderman Bob Fioretti.

The money spent in the Democratic primary made this the most expensive State's Attorney election in Cook County to date.^[47] Conway raised $11.9 million in campaign funds, most of which was from his father William E. Conway's cumulative donations of $10.5 million.^[48] Foxx raised $2.8 million, and her biggest donors include Fred Eychaner and the political action committee of SEIU Illinois.^{[49][Note 1]} More raised $406,000 and Fioretti raised $20,000.^{[50][51][Note 2]}

Candidates

The following candidates ran for the Democratic Party nomination for State's Attorney:

Endorsements

Polls

Results

Republican

Pat O'Brien defeated Christopher Pfannkuche. Pfannkuche had been the Republican nominee for State's Attorney in 2016.

Candidates

The following candidates ran for the Republican party nomination for State's Attorney:

Write-in candidates

• Richard Mayers,^[31] perennial candidate and alleged white supremacist,^{[32][33][34][35][36][37]} write-in candidate for Chicago Mayor, City Clerk, Treasurer, and alderman in 2019;^[38] congressional candidate in 2000,^[36] 2002,^[36] 2008,^[36] 2016, 2018,^[39][41] and 2020;^[42] 1998 State House candidate;^[36] 1993 Berwyn city clerk and city treasurer candidate;^[36] write-in candidate for U.S. Senator in 2020;^[42] write-in candidate in 2020 Illinois Republican presidential primary^[42]

Endorsements

Results

Primaries

General election

Endorsements

Results

Democratic

Candidates

The following candidates ran for the Democratic Party nomination:^[97]

• Frank Avila, incumbent Water Reclamation District Board commissioner
• Heather Boyle
• Mike Cashman
• Cam Davis, incumbent Water Reclamation District Board commissioner
• Deyon Dean
• Kimberly Neely du Buclet, incumbent Water Reclamation District Board commissioner, former member of the Illinois House of Representatives
• Patricia Theresa Flynn
• Michael Grace
• Shundar Lin
• Eira Corral Sepúlveda

The following candidates were removed from the ballot:

• Kisha McCaskill^[98]

Results

Republican

No candidates were included on the ballot in the Republican primary. While two official write-in candidates did run, neither received a sufficient share of the vote to win nomination.

Write-in candidates

• Richard Mayers,^[31] perennial candidate and alleged white supremacist,^{[32][33][34][35][36][37]} write-in candidate for Chicago Mayor, City Clerk, Treasurer, and alderman in 2019;^[38] congressional candidate in 2000,^[36] 2002,^[36] 2008,^[36] 2016, 2018,^[39][41] and 2020;^[42] 1998 State House candidate;^[36] 1993 Berwyn city clerk and city treasurer candidate;^[36] write-in candidate for U.S. Senator in 2020;^[42] write-in candidate in 2020 Illinois Republican presidential primary^[42]
• Frank Rowder^[31]

Results

Green

The Green Party nominated Troy Hernandez, Tammie Vinson, and Rachel Wales.^[97]