# Seongnam Bundang A

Seongnam Bundang A (Korean: 성남시 분당구 갑) is a constituency of the National Assembly of South Korea. The constituency consists of portions of Bundang District, Seongnam. As of 2024, 214,158 eligible voters were registered in the constituency. The constituency was created in 2000 from the Seongnam Bundang constituency.

## History

Since its creation in 2000, Seongnam Bundang A has been considered a conservative stronghold as it has consistently voted for conservative party candidates except for in the 2016 South Korean legislative election.
Ko Heung-gil of the conservative Grand National Party was the first member to represent the constituency in the National Assembly. He won re-election in 2004 and 2008, but stood down in 2012 to serve as the Minister for Special Affairs under President Lee Myung-bak. He was succeeded by Lee Jong-hoon of the conservative Saenuri Party. Lee, a member of the pro-Yoo Seong-min faction of the Saenuri Party, was not nominated as the party's candidate for Seongnam Bundang A in 2016, Kwon Hyouk-se, a pro-Park Geun-hye candidate was nominated instead. Kwon lost to the liberal Democratic Party's Kim Byoung-gwan, marking the first time a candidate from a liberal party won in Seongnam Bundang A. However, Kim barely lost his bid for re-election in 2020 to Kim Eun-hye of the conservative United Future Party, with only 1,128 votes separating the two candidates. Kim Eun-hye resigned as the constituency's member of the National Assembly on April 28, 2022 to run as the People Power Party candidate for Governor of Gyeonggi Province in the 2022 South Korean local elections. A by-election was held in June 2022 between Kim Byoung-gwan of the Democratic Party and two-time presidential candidate Ahn Cheol-soo of the People Power Party. Ahn won the election in a landslide, securing 62.5% of the vote.

## Boundaries

The constituency encompasses the neighborhoods of Seohyeon-dong, Imae-dong, Yatap-dong, Pangyo-dong, Sampyeong-dong, Unjung-dong, and Baekhyeon-dong.

## List of members of the National Assembly

| Election | Member | Party | Dates | Notes |
| 2000 | Ko Heung-gil [ko] | Grand National | 2000–2012 | |
| 2004 | Ko Heung-gil [ko] | Grand National | 2000–2012 | |
| 2008 | Ko Heung-gil [ko] | Grand National | 2000–2012 | |
| 2012 | Lee Jong-hoon [ko] | Saenuri | 2012–2016 | |
| 2016 | Kim Byoung-gwan [ko] | Democratic | 2016–2020 | |
| 2020 | Kim Eun-hye | United Future | 2020–2022 | Resigned on April 28, 2022 to run for Governor of Gyeonggi Province |
| 2022 by-election | Ahn Cheol-soo | People Power | 2022–present | |
| 2024 | Ahn Cheol-soo | People Power | 2022–present | |

## Election results
### 2024

Legislative election 2024: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | People Power | Ahn Cheol-soo | 87,315 | 53.27 | 9.23 |
| | Democratic | Lee Kwang-jae | 76,578 | 46.72 | 9.23 |
| Rejected ballots | Rejected ballots | Rejected ballots | 1,274 | – | |
| Turnout | Turnout | Turnout | 165,167 | 77.12 | 13.32 |
| Registered electors | Registered electors | Registered electors | 214,158 | | |
| | People Power hold | People Power hold | Swing | | |

### 2022 by-election

June 2022 by-election: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | People Power | Ahn Cheol-soo | 83,747 | 62.50 | +12.44 |
| | Democratic | Kim Byoung-gwan | 50,235 | 37.49 | −11.85 |
| Rejected ballots | Rejected ballots | Rejected ballots | 2,534 | – | |
| Turnout | Turnout | Turnout | 136,516 | 63.80 | −11.84 |
| Registered electors | Registered electors | Registered electors | 213,963 | | |
| | People Power hold | People Power hold | Swing | | |

### 2020

Legislative election 2020: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | United Future | Kim Eun-hye | 78,134 | 50.06 | +11.55 |
| | Democratic | Kim Byoung-gwan | 77,006 | 49.34 | +2.31 |
| | National Revolutionary | Woo Ju-young | 911 | 0.58 | new |
| Rejected ballots | Rejected ballots | Rejected ballots | 1,368 | – | |
| Turnout | Turnout | Turnout | 157,419 | 75.64 | +9.20 |
| Registered electors | Registered electors | Registered electors | 205,625 | | |
| | United Future gain from Democratic | United Future gain from Democratic | Swing | | |

### 2016

Legislative election 2016: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Kim Byoung-gwan | 63,698 | 47.03 | +3.29 |
| | Saenuri | Kwon Hyouk-se | 52,160 | 38.51 | −12.94 |
| | People | Yeom Oh-bong | 19,577 | 14.45 | new |
| Rejected ballots | Rejected ballots | Rejected ballots | 1,198 | – | |
| Turnout | Turnout | Turnout | 136,633 | 66.44 | +5.52 |
| Registered electors | Registered electors | Registered electors | 205,625 | | |
| | Democratic gain from Saenuri | Democratic gain from Saenuri | Swing | | |

### 2012

Legislative election 2012: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | Saenuri | Lee Jong-hoon | 66,028 | 51.45 | −13.28 |
| | Democratic United | Kim Chang-ho | 56,133 | 43.74 | +10.51 |
| | Independent | Kim Do-gyun | 4,239 | 3.30 | new |
| | Liberty Forward Party | Hong Kwan-hui | 1,916 | 1.49 | new |
| Rejected ballots | Rejected ballots | Rejected ballots | 589 | – | |
| Turnout | Turnout | Turnout | 128,905 | 60.92 | +14.18 |
| Registered electors | Registered electors | Registered electors | 211,614 | | |
| | Saenuri hold | Saenuri hold | Swing | | |

### 2008

Legislative election 2008: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | Grand National | Ko Heung-gil | 46,396 | 64.73 | +10.64 |
| | United Democratic | Lee Jae-myung | 23,822 | 33.23 | new |
| | Family Party for Peace and Unity | Choi Jeong-hwan | 1,455 | 2.03 | new |
| Rejected ballots | Rejected ballots | Rejected ballots | 817 | – | |
| Turnout | Turnout | Turnout | 72,490 | 46.74 | −21.72 |
| Registered electors | Registered electors | Registered electors | 155,105 | | |
| | Grand National hold | Grand National hold | Swing | | |

### 2004

Legislative election 2004: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | Grand National | Ko Heung-gil | 56,421 | 54.09 | +2.25 |
| | Uri | Huh Un-na | 42,362 | 40.61 | new |
| | Millennium Democratic | Kim Jong-woo | 3,445 | 3.30 | −38.16 |
| | Independent | Kang Jeong-gil | 1,215 | 1.16 | new |
| | Independent | Jang Myeong-hwa | 867 | 0.83 | new |
| Rejected ballots | Rejected ballots | Rejected ballots | 674 | – | |
| Turnout | Turnout | Turnout | 104,984 | 68.46 | +5.32 |
| Registered electors | Registered electors | Registered electors | 153,353 | | |
| | Grand National hold | Grand National hold | Swing | | |

### 2000

Legislative election 2000: Seongnam Bundang A :
| Party | Party | Candidate | Votes | % | ±% |
| | Grand National | Ko Heung-gil | 44,857 | 51.84 | – |
| | Millennium Democratic | Kang Bong-kyun | 35,881 | 41.46 | – |
| | United Liberal Democrats | Kang Dae-ki | 3,764 | 4.35 | – |
| | Democratic People's | Yang Jae-heon | 2,026 | 2.34 | – |
| Rejected ballots | Rejected ballots | Rejected ballots | 643 | – | |
| Turnout | Turnout | Turnout | 87,171 | 63.14 | – |
| Registered electors | Registered electors | Registered electors | 138,066 | | |
| | Grand National win (new seat) | Grand National win (new seat) | Grand National win (new seat) | Grand National win (new seat) | Grand National win (new seat) |