People Power Party candidate Yoo Ui-dong for Pyeongtaek B in Gyeonggi is seen as certain to win the by-election.
According to the National Election Commission on the 4th, as of 2:11 p.m. that day, in the Pyeongtaek B by-election with a 78.90% vote count rate, Yoo had 34.13% of the vote. KBS predicted Yoo's victory was all but certain.
Pyeongtaek B, along with Busan Buk-gu A, was projected to be the fiercest battleground in this by-election. Accordingly, the joint exit poll by the three terrestrial broadcasters and JTBC's projection, both released simultaneously at 6 p.m. on the 3rd, diverged. JTBC's projection showed Democratic Party of Korea candidate Kim Yong-nam at 34.2% and Rebuilding Korea Party candidate Cho Kuk at 31.6%. The three broadcasters' poll showed Cho Kuk at 31.1%, People Power Party candidate Yoo Ui-dong at 30.6%, and Kim Yong-nam at 30.3%, indicating a neck-and-neck race among the three.
Past midnight, the three candidates indeed remained locked in a tight race. At 12:18 a.m., with 41.96% of votes counted, the shares stood at Democratic Party of Korea candidate Kim Yong-nam 31.09%, People Power Party candidate Yoo Ui-dong 31.01%, and Rebuilding Korea Party candidate Cho Kuk 30.12%.