2020Final results
2020 election for Illinois's 8th District
U.S. House · Illinois
Raja Krishnamoorthi (D) won with 73.2% of the vote, defeating Preston Gabriel Nelson (Lib) by 46.3 points.
Raja KrishnamoorthiDemocrat · winner
73.2%186,251
Preston Gabriel NelsonLibertarian
26.8%68,327
254,578 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Raja KrishnamoorthiNo Republican
$6.4M
Raised by the campaign
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$2.3M
Spent by the campaign
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$8.4M
Cash on hand
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Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020