No candidates, ballot-certified or formal write-in, ran in the Republican primary.[3][2] The Republican Party ultimately nominated Robin Lee Meyer.[5][1]
General election
Cook County Board of Commissioners 1st district election[5][1]
Incumbent Commissioner Jerry Butler, a Democrat who first assumed the office in 1985, was reelected, running unopposed in both the primary and general election.
Primaries
Democratic
Cook County Board of Commissioners 3rd district Democratic primary[3][4][2]
Incumbent first-term Commissioner William Moran, a Democrat, unsuccessfully sought reelection. Joan Patricia Murphy defeated him for the Democratic nomination, and won the general election unopposed.
Incumbent Moran had been a perennial candidate who, in the 1998 general election, had won an upset victory over incumbent then-Republican Barclay "Bud" Fleming.[6][7]
Barclay "Bud" Fleming, who had been ousted in 1998, also unsuccessfully sought the Democratic nomination for this election.
Primaries
Democratic
Cook County Board of Commissioners 6th district Democratic primary[4][2]
Incumbent fourth-term[8] Commissioner Ted Lechowicz, a Democrat, sought reelection, but was defeated in the Democratic primary by Forrest Claypool who went on to win the general election.
Primaries
Democratic
Cook County Board of Commissioners 12th district Democratic primary[3][2]
Incumbent second-term Commissioner Calvin Sutker, a Democrat, sought reelection, but was defeated in the Democratic primary by Larry Suffredin, who went on to win the general election.
Primaries
Democratic
In what was regarded to be an upset, Sutker unseated incumbent Suffredin.[9]
Cook County Board of Commissioners 13th district Democratic primary[3][4][2]
No candidates, ballot-certified or formal write-in, ran in the Republican primary.[3][2] The Republican Party ultimately nominated Robert D. Shearer, Jr.[5][1]
General election
Cook County Board of Commissioners 13th district election[5][1]
Incumbent Commissioner Allan C. Carr, a Republican, sought reelection, but was defeated in the Republican primary by Tony Peraica, who went on to win the general election.
Primaries
Democratic
Melrose Park Village President Ronald M. Serpico[11] won the Democratic primary, defeating lawyer[12] William Edward Gomolinski, Patrick "Chico" Hernandez and Stephen J. Mazur.
Cook County Board of Commissioners 16th district Democratic primary[3][4][2]
Incumbent fourth-term[13] Commissioner Herb Schumann, a Republican, sought reelection, but was defeated in the Republican primary by Elizabeth Ann Doody Gorman, who went on to win the general election.
Primaries
Democratic
Cook County Board of Commissioners 17th district Democratic primary[4][2]