Throughout the evening, the race was too close to call, however, Dold conceded the race at about 11 p.m., and Schneider declared victory.
"Tonight's victory here in this room is a very bright spot in an otherwise dark evening, because you all are sending a message to Washington a voice, a fighter who is going to stand strong and fight for the values and the priorities that we all hold dear," Schneider told the crowd in Northbrook.
WATCH: 10TH CONGRESSIONAL DISTRICT RACE TIGHT UNTIL END
This is the third election in a row that Dold and Schneider have faced off for the seat.
Dold lost the seat to Schneider in 2012 but won it in a 2014 rematch.
Earlier Tuesday, Dold greeted voters at a diner in suburban Lake Bluff. Schneider was is in Northborok thanking volunteers at his campaign headquarters.
One of the most competitive congressional races this year is in Illinois' 10th District. The incumbent congressman Bob Dold faces Brad Schneider.
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