Voter turnout in Cook County during the primaries was 35.02%. The city of Chicago saw 38.58% turnout and suburban Cook County saw 31.34% turnout.[3][4][5][6]
Republican nominee Cox had declared that his intent in seeking the office was to push for its elimination, as he argued that the office was an unnecessary duplication of services and had become a "model of waste and corruption".[7][8][9]
In the Democratic primary, incumbent Dick Devine defeated challenger Tommy H. Brewer (who had previously, in 1994, run unsuccessfully for the Democratic nomination Cook County Sheriff).[10][11]
Cook County State’s Attorney Democratic primary[3][4]
In the 2004 Cook County Board of Review election, one seat, Democratic-held, was up for election. The incumbent won reelection.
The Cook County Board of Review has its three seats rotate the length of terms. In a staggered fashion (in which no two seats have coinciding two-year terms), the seats rotate between two consecutive four-year terms and a two-year term.[12]
Incumbent second-term member Robert Shaw, a Democrat last reelected in 2002, lost reelection, being unseated by in the Democratic primary by Larry R. Rogers, Jr., who went on to win the general election unopposed. Rogers' margin-of-victory over Shaw in the Democratic primary was narrow, at 1,087 votes (equal to 0.37 of votes cast). This election was to a four-year term.[12]
Pasrtisan elections were held for judgeships on the Circuit Court of Cook County due to vacancies. Retention elections were also held for the Circuit Court.[1][2]
Partisan elections were also held for subcircuit courts judgeships due to vacancies.[1][2] Retention elections were held for other judgeships.