1970Final resultsIncumbent defeated
1970 election for Illinois Representative District 16
Illinois House of Representatives · Illinois
3 seats: Ralph C. Capparelli (D), Roman J. Kosinski (D), Henry Hyde (R) won.
3 seatsRalph C. CapparelliDemocrat · winner
29.1%63,089
Roman J. KosinskiDemocrat · winner
28.5%61,788
Henry HydeRepublican · winner · incumbent
22.4%48,583
Hellmut W. StolleRepublican · incumbent
20.1%43,657
217,117 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET