1972Final results
1972 election for Illinois Legislative District 56
Illinois State Senate · Illinois
Sam M. Vadalabene (D) won with 69.8% of the vote, defeating Martin Tony Olson (R) by 39.5 points.
Sam M. VadalabeneDemocrat · winner · incumbent
69.8%47,033
Martin Tony OlsonRepublican
30.2%20,376
67,413 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 1972
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET