This is the 1990 race. The latest: 2026 →

1990Final results

1990 election for Illinois Representative District 3

Illinois House of Representatives · Illinois

Lee Preston (D) won with 78.6% of the vote, defeating Harry T. Santiago (R) by 61.3 points.

Lee PrestonDemocrat · winner · incumbent
78.6%16,333
17.4%3,610
Glenn OlofsonLibertarian
4.0%824
20,767 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 1990

Races before and after

EvenD+56.11982D+58.81986D+53.81988D+61.31990D+80.21996D+63.92022

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET

The candidates

Lee Preston (D)Harry T. Santiago (R)

Also on the ballot: Glenn Olofson (Libertarian), 4.0%