1984Final results
1984 election for Illinois Representative District 100
Illinois House of Representatives · Illinois
Josephine K. Oblinger (R) won with 62.7% of the vote, defeating Mike Southworth (D) by 25.3 points.
Josephine K. OblingerRepublican · winner · incumbent
62.7%28,671
Mike SouthworthDemocrat
37.3%17,086
45,757 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET