2004Final results
2004 election for Oklahoma House District 17
Oklahoma House of Representatives · Oklahoma
Mike Mass (D) won with 62.9% of the vote, defeating Mark Halyard (R) by 25.8 points.
Mike MassDemocrat · winner
62.9%9,092
Mark HalyardRepublican
37.1%5,365
14,457 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