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 had also faced no opponents in their Democratic Party primary.
1st district
Incumbent second-term Commissioner Earlean Collins, a Democrat, was reelected.
Primaries
Democratic
Cook County Board of Commissioners 1st district Democratic primary[2][3]
No candidates, ballot-certified or formal write-in, ran in the Republican primary.[2][3] The Republican Party ultimately nominated Henrietta S. Butler.[4]
General election
Cook County Board of Commissioners 1st district election[1][5][4]
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.
Primaries
Democratic
Cook County Board of Commissioners 2nd district Democratic primary[2][3]
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.
Primaries
Democratic
Cook County Board of Commissioners 4th district Democratic primary[2][3]
No candidates, ballot-certified or formal write-in, ran in the Republican primary.[2][3] Ultimately, the Republican Party nominated Ann Rochelle Hunter.[6]
General election
Cook County Board of Commissioners 4th district election[1][6]
Incumbent second-term Commissioner Gregg Goslin, a Republican, was reelected.
Primaries
Democratic
No candidates, ballot-certified or formal write-in, ran in the Democratic primary.[2] The Democratic Party ultimately nominated Michelene "Mickie" Polk.[4]
Republican
Cook County Board of Commissioners 14th district Republican primary[2]
Incumbent eighth-term[7] 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.
Primaries
Democratic
Cook County Board of Commissioners 15th district Democratic primary[2]
Seats contested by Democratic and Republican nominees
10
5
5
Seats contested by Democratic and Green nominees
1
1
—N/a
Seats contested only by Democratic nominees
6
6
—N/a
Vote summary
Party
Popular vote
Seats won
Democratic
924,939 (76.45%)
12
Republican
276,925 (22.89%)
5
Green
7,996 (0.66%)
0
Total
1,209,860
—N/a
Fate of incumbents
Party
Total incumbents
Incumbents that sought reelection/retired
Incumbents that won/lost re-nomination in primaries
Incumbents that won/lost general election
Notes
Democratic
12
12 sought reelection 0 retired
12 won re-nomination 0 lost re-nomination
11 won 0 lost
1 candidate won renomination but withdrew from general election
Republican
5
5 sought reelection 0 retired
4 won re-nomination 1 lost renomination
4 won 0 lost
Green
No Green incumbents
Composition of elected board (returning/newly elected members)
Party
Returning members
Newly elected members
Democratic
11
1
Republican
4
1
References
^ a b c d e f g h i j k l m n o p q r"Cook County and the City of Chicago Combined Summary Report November 2006 General Election Tuesday, November 7th, 2006" (PDF). Cook County Clerk's Office. Archived from the original (PDF) on September 22, 2021.
^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae"2006 Primary Election March 21, 2006 Summary Report Suburban Cook County" (PDF). Cook County Clerk's Office. Archived from the original (PDF) on September 3, 2020. Retrieved March 17, 2020.
^ a b c d e f g h i j k l m n o p q r s t u v w x y z"TABULATED STATEMENT OF THE RETURNS AND PROCLAMATION OF THE RESULTS OF THE CANVASS OF THE ELECTION RETURNS FOR THE GENERAL PRIMARY ELECTION HELD IN EACH OF THE PRECINCTS IN ALL THE WARDS IN THE CITY OF CHICAGO ON TUESDAY MARCH 21, 2006 A.D." (PDF). Chicago Board of Election Commissioners. Retrieved March 17, 2020.
^ a b c"Suburban Cook County Election Results". results.cookcountyclerk.com. Cook County Clerk. Retrieved March 17, 2020.
^"Voter Registration and Turnout 1990 - 2019 | Cook County Clerk's Office". www.cookcountyclerk.com. Cook County Clerk. Archived from the original on March 19, 2020. Retrieved March 19, 2020.
^ a b c d e f"TABULATED STATEMENT OF THE RETURNS AND PROCLAMATION OF THE RESULTS OF THE CANVASS OF THE ELECTION RETURNS FOR THE GENERAL ELECTION HELD IN EACH OF THE PRECINCTS IN ALL THE WARDS IN THE CITY OF CHICAGO ON TUESDAY, NOVEMBER 7, 2007 A.D." (PDF). Chicago Board of Election Commissioners. Retrieved March 17, 2020.
^Pohl, Kimberly (February 3, 2010). "Longtime Cook Co. Board member Carl Hansen dies -- Daily Herald". prev.dailyherald.com. Daily Herald. Retrieved March 17, 2020.
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