2004Final results
2004 election for Illinois Legislative District 47
Illinois State Senate · Illinois
John M. Sullivan (D) won with 61.8% of the vote, defeating Tom Ernst (R) by 23.5 points.
John M. SullivanDemocrat · winner · incumbent
61.8%59,294
Tom ErnstRepublican
38.2%36,706
96,000 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