Yadnock appeared to outpace Long by a margin of 9.1 percent on Tuesday in the county.
In comparison, the 2014 winner, Republican Jerry Lee Long, won by a margin of 2.9 percent in that jurisdiction, beating Democrat Frank J. Mautino, who received 13,007 votes to Long's 13,787.
2018 State House race results vs. 2014
Precinct/ County/ Township
GOP 2018
Votes/%
Dem. 2018
Votes/%
GOP 2014
Votes/%
Dem. 2014
Votes/%
LaSalle County
Jerry Lee Long
13,962/ 45.46%
Lance Yadnock
16,752/ 54.54%
Jerry Lee Long
13,787/ 51.5%
Frank J. Mautino
13,007/ 48.5%