2010 Cook County, Illinois elections
The Cook County, Illinois general election was held on November 2, 2010.
Primaries were held February 2, 2010.
Elections were held for Cook County Assessor, Cook County Clerk, Cook County Sheriff, Cook County Treasurer, President of the Cook County Board of Commissioners, all 17 seats of the Cook County Board of Commissioners, Cook County Board of Review district 1, three seats on the Water Reclamation District Board, and judgeships in the Circuit Court of Cook County and its subcircuits.
Election information
2010 was a midterm election year in the United States. The primaries and general elections for Cook County races coincided with those for federal and those for state elections.Voter turnout
Voter turnout in Cook County during the primaries was 26.41%, with 761,626 ballots cast. The city of Chicago saw 27.282% turnout and suburban Cook County saw 25.54% turnout.The general election saw 52.68% turnout, with 1,424,959 ballots cast. The city of Chicago saw 52.88% turnout and suburban Cook County saw 52.48% turnout.
Assessor
In the 2010 Cook County Assessor election, incumbent third-term Assessor James Houlihan, a Democrat, did not seek reelection. Joseph Berrios was elected to succeed him.Primaries
Democratic
Republican
Green
General election
Clerk
In the 2010 Cook County Clerk election, incumbent fifth-term Clerk David Orr, a Democrat, was reelected.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
Sheriff
In the 2010 Cook County Sheriff election, incumbent first-term Sheriff Tom Dart, a Democrat, was reelected.Primaries
Democratic
Republican
Green
General election
Treasurer
In the 2010 Cook County Treasurer election, incumbent third-term Treasurer Maria Pappas, a Democrat, was reelected.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
President of the Cook County Board of Commissioners
In the 2010 President of the Cook County Board of Commissioners election, incumbent President Todd Stroger, a Democrat appointed in 2006 and elected outright to a full term later that year, lost reelection, being unseated in the Democratic primary by Toni Preckwinkle, who went on to win the general election.Primaries
Democratic
;Candidates- Dorothy A. Brown, Clerk of the Cook County Circuit Court
- Terrence J. O'Brien, Metropolitan Water Reclamation District of Greater Chicago President
- Toni Preckwinkle, Chicago alderman
- Todd Stroger, incumbent President of the Cook County Board of Commissioners
| Poll source | Date administered | Sample size | Margin of error | Dorothy A. Brown | Forrest Claypool | Terrence J. O'Brien | Toni Preckwinkle | Todd Stroger | Other | Undecided |
| WGN-TV/Chicago Tribune | January 16–20, 2010 | 503 | ± 4.4% | 24% | – | 16% | 36% | 11% | – | 12% |
| WGN-TV/Chicago Tribune | December 2–8, 2009 | 502 | ± 4.4% | 29% | – | 11% | 20% | 14% | 2% | 11% |
| Cooper & Secrest Associates | November 11–17, 2009 | 605 | ± 4.0% | 29% | — | 15% | 16% | 13% | — | 27% |
| Fako & Associates for Supporters of Cook County Circuit Court Clerk Dorothy Brown | April 21–22, 2009 | 295 | ± 5.70% | 21% | 33% | — | 10% | 7% | — | |
| Bennett, Petts, & Normington for SEIU | March 23—25 2009 | ± 4.3 | – | 28% | – | 18% | 23% | – | 36% |
;Results
Republican
;Candidates- John Garrido III, Chicago Police Department officer
- Roger A. Keats, former Illinois State Senator and former Illinois State Representative
Green
;Candidates- Thomas Tresser, activist
General election
Cook County Board of Commissioners
The 2010 Cook County Board of Commissioners election saw all seventeen seats of the Cook County Board of Commissioners up for election to four-year terms.1st district
Incumbent third-term Commissioner Earlean Collins, a Democrat, was reelected.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.]Green
General election
2nd district
Incumbent first-term commissioner Robert Steele, a Democrat, was reelected.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.Green
General election
3rd district
Incumbent Commissioner Jerry Butler, a Democrat who first assumed the office in 1985, was reelected.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.Green
No candidates, ballot-certified or formal write-in, ran in the Green primary. The Green Party ultimately nominated Marie J. "Jenny" Wohadlo.General election
4th district
Incumbent first-term Commissioner William Beavers, a Democrat, was reelected.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.Green
General election
5th district
Incumbent fourth-term Commissioner Deborah Sims, a Democrat, was reelected.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
6th district
Incumbent second-term Commissioner Joan Patricia Murphy, a Democrat, was reelected.Primaries
Democratic
Republican
Sandra Czyznikiewicz defeated former 2nd district Commissioner William Moran and Michael Hawkins in the Republican primary.Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
7th district
Incumbent sixth-term Commissioner Joseph Mario Moreno, a Democrat, lost reelection, being unseated in the Democratic primary by Jesús "Chuy" García, who went on to win the general election.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.Green
General election
8th district
Incumbent Commissioner Edwin Reyes, a Democrat, who been appointed in 2009 after Roberto Maldonado resigned to serve a Chicago alderman, was elected to a full term.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
9th district
Incumbent fourth-term Commissioner Peter N. Silvestri, a Republican, was reelected.Primaries
Democratic
Republican
Green
General election
10th district
Incumbent Commissioner Bridget Gainer, a Democrat first appointed in 2009, was elected to a full term.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Wes Fowler.Green
No candidates, ballot-certified or formal write-in, ran in the Republican primary.General election
11th district
Incumbent Commissioner John P. Daley, a Democrat in office since 1992, was reelected.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Republican primary.General election
12th district
Incumbent second-term Commissioner Forrest Claypool, a Democrat, did not seek reelection. John Fritchey was elected to succeed him.Primaries
Democratic
Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated William C. "Bill" Miceli.Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
13th district
Incumbent second-term Commissioner Larry Suffredin, a Democrat, was reelected.Primaries
Democratic
Republican
Green
General election
14th district
Incumbent third-term Commissioner Gregg Goslin, a Republican, was reelected.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
15th district
Incumbent first-term Commissioner Tim Schneider, a Republican, was reelected.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Green primary. The Green Party ultimately nominated Laura Ehorn.General election
16th district
Incumbent second-term Commissioner Tony Peraica, a Republican, lost reelection to Democrat Jeff Tobolski.Primaries
Democratic
Republican
Green
General election
17th district
Incumbent second-term Commissioner Elizabeth Ann Doody Gorman, a Republican, was reelected.Primaries
Democratic
Republican
Green
General election
Cook County Board of Review
In the 2010 Cook County Board of Review election, one seat, Democratic-held, out of its three seats was up for election.The Cook County Board of Review has its three seats rotate the length of terms. In a staggered fashion, the seats rotate between two consecutive four-year terms and a two-year term.
1st district
Incumbent first-term member Brendan F. Houlihan, a Democrat who had been elected in 2006, lost reelection to Republican Dan Patlak. This election was to a two-year term.Primaries
Democratic
Republican
Green
No candidates, ballot-certified or formal write-in, ran in the Green primary.General election
Water Reclamation District Board
In the 2010 Metropolitan Water Reclamation District of Greater Chicago election, three of the nine seats on the Metropolitan Water Reclamation District of Greater Chicago board were up for election in an at-large race. Since three six-year seats were up for election, voters could vote for up to three candidates and the top-three finishers would win.Two of the incumbents for the three seats were seeking reelection, Democrats Barbara McGowan and Mariyana T. Spyropoulos. Each won reelection, joined by fellow Democrat Michael A. Alvarez in winning election.
Primaries
Democratic
Republican
Green
General election
Judicial elections
8 judgeships on the Circuit Court of Cook County were up for partisan elections due to vacancies. Other judgeships had retention elections.13 subcircuit courts judgeships were also up for partisan elections due to vacancies. Other judgeships had retention elections.