1986 Cook County, Illinois elections

1986 was a midterm election year in the United States. The primaries and general elections for Cook County races coincided with those for federal (Senate and House) and those for state elections.

In the 1986 Cook County Assessor election, incumbent second-term assessor Thomas Hynes, a Democrat, was reelected.

In the 1986 Cook County Clerk election, incumbent third-term clerk Stanley Kusper, a Democrat, was reelected.

In the 1986 Cook County Sheriff election, incumbent fourth-term sheriff Richard Elrod, a Democrat, was defeated by Republican James E. O'Grady.

O'Grady became the first Republican elected to a countywide executive office in Cook County since Bernard Carey was elected to his final term as Cook County State's Attorney in 1976.[8]

In the 1986 Cook County Superintendent of Education Service Region election, incumbent third-term superintendent Richard J. Martwick, a Democrat, was reelected.[1][11]

In the 1986 Cook County Treasurer election, incumbent third-term[12] treasurer Edward J. Rosewell, a Democrat, was reelected.

In the 1986 President of the Cook County Board of Commissioners election, incumbent president George Dunne, a Democrat that had held the office since 1969, was reelected.

1986 Cook County Board of Commissioners election

November 4, 1986
All 17 seats on the Cook County Board of Commissioners 9 seats needed for a majority
First party Second party   Party Democratic Republican Seats before 11 6 Seats won 10 7 Seat change 1 1

The 1986 Cook County Board of Commissioners election saw all seventeen seats of the Cook County Board of Commissioners up for election to four-year terms in two sets of elections (ten elected from an election held in the city of Chicago and seven elected from and election held in suburban Cook County).

Democrats lost a seat, and Republicans, conversely, gained a seat.

1986 Cook County Board of Appeals election

November 4, 1986
2 of 2 seats on the Cook County Board of Review
First party Second party   Party Democratic Republican Seats before 2 0 Seats after 2 0 Seat change

In the 1986 Cook County Board of Appeals election, both seats on the board were up for election. The election was an at-large election.

One incumbent Democrat, Pat Quinn, did not seek reelection, instead running for Illinois Treasurer. The other incumbent Democrat, Harry H. Semrow, sought reelection.

In the 1986 Metropolitan Water Reclamation District of Greater Chicago election, three of the nine seats on the Metropolitan Water Reclamation District of Greater Chicago board were up for election in an at-large election.[1] All three Democratic nominees won.[1]

Partisan elections were held for judgeships on the Circuit Court of Cook County, due to vacancies. Other judgeships had retention elections.[1]

Coinciding with the primaries, elections were held to elect both the Democratic and Republican committeemen for the suburban townships.[2]

• 1986 Illinois elections