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]
Incumbent Commissioner Jerry Butler, a Democrat who first assumed the office in 1985, was reelected, running unopposed in both the primary and general election.
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.
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.
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.
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]
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.
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.