1998 Cook County Board of Commissioners election

The 1998 Cook County Board of Commissioners election was held on November 3, 1998. It was preceded by a primary election held on March 17, 1998. It coincided with other 1998 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.

1st district
Incumbent commissioner Darlena Williams-Burnett, a Democrat appointed in 1997 after fellow Democrat Danny K. Davis resigned to serve in the United States House of Representatives, lost renomination in the Democratic primary to Earlean Collins. Collins would go on to win the general election.

2nd district
Incumbent third-term commissioner Bobbie L. Steele, a Democrat, was reelected, running unopposed in both the primary and general election.

Republican
No candidates ran in the Republican primary.

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

4th district
Incumbent commissioner John Stroger, a Democrat, was reelected, running unopposed in both the Democratic primary and general election.

Republican
No candidates ran in the Republican primary.

5th district
Incumbent first-term commissioner Deborah Sims, a Democrat, was reelected.

Republican
No candidates ran in the Republican primary.

6th district
Incumbent first-term commissioner Bud Fleming, a Republican, unsuccessfully sought reelection, being unseated by Democratic nominee William Moran. Moran's victory of Flemming was considered an upset victory. Before winning this race, Moran had been regarded as a perennial candidate.

Democratic
William Moran, who had never held office, defeated John David Desimone, who had served as President of the Chicago Heights Park District since 1995.

7th district
Incumbent first-term commissioner Joseph Mario Moreno, a Democrat, was reelected.

General election
Republican primary winner Irma C. Lopez was replaced on the ballot by Alberto Alva.

8th district
Incumbent first-term commissioner Roberto Maldonado, a Democrat, was reelected, running unopposed in both the primary and general election.

Democratic
Incumbent Roberto Maldono was challenged by Francisco Duprey, who had served as the director of school services for Chicago Public Schools and had also led Chicago's Department of Economic Development.

Republican
No candidates ran in the Republican primary.

9th district
Incumbent first-term commissioner Peter N. Silvestri, a Republican, was reelected.

10th district
Incumbent second-term commissioner Maria Pappas, a Democrat, did not seek reelection, instead opting to run for Cook County Treasurer. Democrat Mike Quigley was elected to succeed her in office.

Republican
No candidates ran in the Republican primary.

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

12th district
Incumbent third-term commissioner Ted Lechowicz, a Democrat, was reelected.

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

13th district
Incumbent first-term Commissioner Calvin Sutker, a Democrat, was reelected.

Republican
No candidates ran in the Republican primary.

14th district
Incumbent commissioner Richard Siebel, a Republican, did not seek reelection. Republican Gregg Goslin was elected to succeed him.

Democratic
No candidates ran in the Democratic primary.

15th district
Incumbent sixth-term commissioner Carl Hansen, a Republican, was reelected.

16th district
Incumbent Commissioner Allan C. Carr, a Republican, was reelected.

General election
Democrat nominee John E. Bertone withdrew and was not replaced on the ballot.

17th district
Incumbent third-term commissioner Herb Schumann, a Republican, was reelected.