2002Final results
2002 election for Illinois Legislative District 42
Illinois State Senate · Illinois
Edward Petka (R) won with 63.3% of the vote, defeating Alex Arroyo (D) by 26.7 points.
Edward PetkaRepublican · winner · incumbent
63.3%31,317
Alex ArroyoDemocrat
36.7%18,136
49,453 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 2002
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET