In the 2002 redistricting cycle, Michigan lost one congressional seat, reducing it to 15 congressional districts. Before the 2002 election, Democrats held a 9–7 majority in Michigan's U.S. House delegation. After the 2002 election, Republicans held a 9–6 majority in the delegation.
Incumbent Democratic attorney general Jennifer Granholm sought the governorship in 2002. Republican nominee Mike Cox defeated Democratic nominee Gary Peters.
Republicans lost a seat in the state Senate but maintained a majority. The election resulted in a 22–16 Republican majority over the Democrats in the chamber.
Michigan State Board of Education and University Boards
Michigan State Board of Education
Republican incumbent Michael Warren sought re-election, while Republican incumbent Sharon A. Wise did not run for re-election. The election was won by Republican Carolyn Curtin and Democrat Elizabeth Bauer, ousting Warren. This increased the Democratic majority on the board to 6–2.
Michigan State University Board of Trustees
Incumbents Republican Donald Nugent and Democrat Colleen McNamara were re-elected. This preserved the 5–3 Republican majority on the board.
University of Michigan Board of Regents
Incumbent Republican Andrea Fischer Newman sought re-election, while incumbent Republican Daniel D. Horning did not run for re-election. Republican Andrew Richner was elected and Newman was re-elected. This preserved the 5–3 Democratic majority on the board.
Wayne State University Board of Governors
Incumbents Democrat Leon Atchison and Republican Diane L. Dunaskiss ran for re-election. Dunaskiss was re-elected, but Democrat Richard H. Bernstein was elected over Atchison. This preserved the 6–2 Democratic majority on the board.
Ballot initiatives
Ballot proposals
There were two state ballot proposals in Michigan on August 6, 2002. Both were approved. Proposal 1 sought to restructure the payment system for state legislators. Proposal 2 sought to increase the investment options for state environmental funds.
There were 4 state ballot proposals in Michigan on November 5, 2002. Proposal 1, a referendum which sought to ban straight-ticket voting, was rejected. Proposal 2, which sought to authorize the selling of bonds for clean water and sewage projects, was approved. Proposal 3, a state constitutional amendment which sought to guarantee state workers the right to collective bargaining with binding arbitration, was rejected. Proposal 4, a state constitutional amendment which sought to divert funds from a tobacco settlement toward the healthcare industry and smoking prevention, was rejected.
Local elections
The following is an incomplete list of 2002 elections in notable localities.