[2] Kang Seong-mo of the right-wing Democratic Justice Party was the first member to represent the constituency having won with 37.04% of the vote.

[8] Lee Sung-heon and Woo Sang-ho would continue to face off in rematches in Seodaemun A as the mainstream conservative and liberal party candidates respectively until the 2020 South Korean legislative election.

[9][10] In the 2004 South Korean legislative election, Woo Sang-ho of the Uri Party narrowly defeated incumbent Lee Sung-heon by a margin of 1,899 votes.

[3][17][18][19][20] Ahead of the 2024 South Korean legislative election, Woo Sang-ho announced that he would not be standing for re-election in Seodaemun A.

[22][23] Kim Dong-ah went on to win the general election with 50.75% of the vote, defeating Lee Yong-ho of the People Power Party.