The 2002 Cook County Board of Commissioners election was held on November 5, 2002. It was preceded by a primary election held on March 19, 2002. It coincided with other 2002 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.
As these were the first elections held following the 2000 United States census, the seats faced redistricting before this election.
Incumbent first-term Commissioner Earlean Collins, a Democrat, was reelected.
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Robin Lee Meyer.
Incumbent fourth-term Commissioner Bobbie L. Steele, a Democrat, was reelected, running unopposed in both the primary and general election.
No candidates, ballot-certified or formal write-in, ran in the Republican primary.
Incumbent Commissioner Jerry Butler, a Democrat who first assumed the office in 1985, was reelected, running unopposed in both the primary and general election.
No candidates, ballot-certified or formal write-in, ran in the Republican primary.
Incumbent Commissioner John Stroger, a Democrat, was reelected.
Incumbent second-term Commissioner Deborah Sims, a Democrat, was reelected.
Republican primary winner Daniel "Dan" Wooten withdrew and was not replaced on the ballot.
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.
Barclay "Bud" Fleming, who had been ousted in 1998, also unsuccessfully sought the Democratic nomination for this election.
No candidates, ballot-certified or formal write-in, ran in the Republican primary.
Incumbent second-term Commissioner Joseph Mario Moreno, a Democrat, was reelected.
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Juan Moreno.
Incumbent second-term Commissioner Roberto Maldonado, a Democrat, was reelected, running unopposed in both the primary and general election.
No candidates, ballot-certified or formal write-in, ran in the Republican primary.
Incumbent second-term Commissioner Peter N. Silvestri, a Republican, was reelected.
Incumbent first-term Commissioner Mike Quigley, a Democrat, was reelected.
No candidates, ballot-certified or formal write-in, ran in the Republican primary.
Incumbent Commissioner John P. Daley, a Democrat in office since 1992, was reelected.
Incumbent fourth-term 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.
No candidates, ballot-certified or formal write-in, ran in the Republican primary.
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.
In what was regarded to be an upset, Sutker unseated incumbent Suffredin.
No candidates, ballot-certified or formal write-in, ran in the Republican primary. The Republican Party ultimately nominated Robert D. Shearer, Jr.
Incumbent first-term Commissioner Gregg Goslin, a Republican, was reelected.
Incumbent seventh-term Commissioner Carl Hansen, a Republican, was reelected.
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 won the Democratic primary, defeating lawyer William Edward Gomolinski, Patrick "Chico" Hernandez and Stephen J. Mazur.
Incumbent fourth-term 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.
Democratic primary winner Candice Marie Morrison withdrew before the election.