2006 Cook County Board of Commissioners election

The 2006 Cook County Board of Commissioners election was held on November 7, 2006. It was preceded by a primary election held on March 21, 2006. It coincided with other 2006 Cook County, Illinois, elections (including the election for president of the Cook County Board of Commissioners). It saw all seventeen seats of the Cook County Board of Commissioners up for election to four-year terms.

Fifteen members were reelected. One incumbent Democrat withdrew from their election after being renominated, while one incumbent Republican lost his primary. No seat changed parties.

Democrats ran nominees in the races for all seventeen seats. Republicans ran nominees in ten races, while the Green Party ran a nominee in a single race. Five Democratic faced no opponents in the general election, four of whom also had faced no opponents in their Democratic Party primary.

1st district
Incumbent second-term Commissioner Earlean Collins, a Democrat, was reelected.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Henrietta S. Butler.

2nd district
Incumbent commissioner Robert Steele, a Democrat, was reelected. He had been appointed to succeed his mother Bobbie L. Steele, after they were appointed President of the Cook County Board of Commissioners.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Scott W. Kummer.

3rd district
Incumbent Commissioner Jerry Butler, a Democrat who first assumed the office in 1985, was reelected.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Maurice Perkins.

4th district
Then-incumbent Commissioner John Stroger originally sought reelection, winning the Democratic primary, but backed-out due to health issues (and also resigned his seat), and was replaced as Democratic nominee by William Beavers, who went to win the general election.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary. Ultimately, the Republican Party nominated Ann Rochelle Hunter.

5th district
Incumbent third-term Commissioner Deborah Sims, a Democrat, was reelected.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.

6th district
Incumbent first-term Commissioner Joan Patricia Murphy, a Democrat, was reelected.

7th district
Incumbent third-term Commissioner Joseph Mario Moreno, a Democrat, was reelected.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.

8th district
Incumbent third-term Commissioner Roberto Maldonado, a Democrat, was reelected.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.

9th district
Incumbent third-term Commissioner Peter N. Silvestri, a Republican, was reelected.

10th district
Incumbent second-term Commissioner Mike Quigley, a Democrat, was reelected, running unopposed in both the Democratic primary and general election.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.

11th district
Incumbent Commissioner John P. Daley, a Democrat in office since 1992, was reelected.

12th district
Incumbent first-term Commissioner Forrest Claypool, a Democrat, was reelected.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.

13th district
Incumbent first-term Commissioner Larry Suffredin, a Democrat, was reelected, running unopposed in both the Democratic primary and general election.

Republican
No candidates, ballot-certified or formal write-in, ran in the Republican primary.

14th district
Incumbent second-term Commissioner Gregg Goslin, a Republican, was reelected.

Democratic
No candidates, ballot-certified or formal write-in, ran in the Democratic primary. The Democratic Party ultimately nominated Michelene "Mickie" Polk.

15th district
Incumbent eighth-term Commissioner Carl Hansen, a Republican, sought reelection, but was defeated in the Republican primary by Tim Schneider, who went on to win the general election.

16th district
Incumbent first-term Commissioner Tony Peraica, a Republican, was reelected.

17th district
Incumbent first-term Commissioner Elizabeth Ann Doody Gorman, a Republican, was reelected.