2004Final results
2004 election for Kansas Senate District 28
Kansas State Senate · Kansas
Mike Petersen (R) won with 57.7% of the vote, defeating Henry Helgerson (D) by 15.3 points.
Mike PetersenRepublican · winner
57.7%9,568
Henry HelgersonDemocrat
42.3%7,025
16,593 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2004
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET