The 2002 United States Senate election in Iowa was held on November 5, 2002. Incumbent Democratic U.S. Senator Tom Harkin sought re-election to a fourth term in office. Harkin was opposed in the general election by U.S. Congressman Greg Ganske, who fought off a difficult challenger in the Republican primary. Though Harkin narrowly defeated his opponent six years earlier, he was able to defeat Ganske by a comfortable margin to win re-election. Democratic primary Candidates Tom Harkin, incumbent United States Senator Results Republican primary Candidates Greg Ganske, U.S. Representative Bill Salier, hog farmer Results General election Debates Complete video of debate, October 6, 2002 Predictions Polling Results See also 2002 United States Senate elections Notes References Iowa 2002 2002 Iowa elections