# 2018 South Korean local elections

The 7th local elections were held in South Korea on 13 June 2018. The election coincided with the by-elections for the vacant seats in the National Assembly. The election was a landslide victory for the Democratic Party of Korea, the ruling party, after two successful summits with the third inter-Korean summit on 27 April and the first North Korea-United States summit in Singapore on 12 June.

## Metropolitan mayors and governors

A total of 17 metropolitan mayors and governors were elected.

### Candidates

Bold indicates that a candidate won as metropolitan mayor or governor.
| Metropolitan city/province | Democratic | Liberty Korea | Bareunmirae | Democracy and Peace | Justice | Others |
| Seoul | Park Won-soon | Kim Moon-soo | Ahn Cheol-soo | | Kim Jong-min | Kim Jin-sook (Minjung) In Jie-yeun (Korean Patriots) Sin Jie-ye (Green) |
| Busan | Oh Keo-don | Suh Byung-soo | Lee Sung-guen [ko] | | Park Joo-mi | Lee Jong-hyuk [ko] (Independent) |
| Daegu | Im Dae-yun [ko] | Kwon Young-jin | Kim hyung-gi | | | |
| Incheon | Park Nam-chun | Yoo Jung-bok [ko] | Moon Byung-ho [ko] | | Kim Eung-ho | |
| Gwangju | Lee Yong-seop | | Jeon Duk-young | | Na Gyung-che | Yoon Min-ho (Minjung) |
| Daejeon | Heo Tae-jeong | Park Sung-hyo [ko] | Nam Choung-hee [ko] | | Kim Yoon-gi | |
| Ulsan | Song Cheol-ho | Kim Ki-hyun | Lee Young-hee | | | Kim Chang-hyun [ko] (Minjung) |
| Sejong | Lee Choon-hee | Song Ae-yong | Hu Chul-hue | | | |
| Gyeonggi | Lee Jae-myung | Nam Kyung-pil | Kim Yung-hwan | | Lee Hong-ue | Hong Seong-gyu (Minjung) |
| Gangwon | Choi Moon-soon | Jung Chang-soo [ko] | | | | |
| North Chungcheong | Lee Si-jong | Park Kyung-guk [ko] | Shin Yong-han | | | |
| South Chungcheong | Yang Seung-jo | Lee In-je | | | | |
| North Jeolla | Song Ha-jin | Shin Jae-bong | | Im Jung-yeop | Kwon Tae-hong | Lee Kwang-seok (Minjung) |
| South Jeolla | Kim Yung-rok | | Park Mae-ho | Min Young-sam | Noh Hyung-tae | Lee Sung-soo (Minjung) |
| North Gyeongsang | Oh Joong-gi [ko] | Lee Cheol-woo | Kwon Oe-eul | | Park Chang-ho | Yoo Jae-hi (Korean Patriots) |
| South Gyeongsang | Kim Kyoung-soo | Kim Tae-ho | Kim Yoo-geun | | | |
| Jeju | Moon Dae-rim [ko] | Kim Bang-hoon | Jang Seong-cheol | | | Won Hee-ryong (Independent) Ko Eun-young (Green) |

### Results summary

Bold indicates an incumbent who was re-elected.
Elected metropolitan mayors and governors :
| Metropolitan city/province | Elected candidate | Party | Remarks |
| Seoul | Park Won-soon | Democratic | Hold |
| Incheon | Park Nam-chun | Democratic | Gain |
| Gyeonggi | Lee Jae-myung | Democratic | Gain |
| Gangwon | Choi Moon-soon | Democratic | Hold |
| Daejeon | Heo Tae-jeong | Democratic | Hold |
| Sejong | Lee Choon-hee | Democratic | Hold |
| South Chungcheong | Yang Seung-jo | Democratic | Hold |
| North Chungcheong | Lee Si-jong | Democratic | Hold |
| Gwangju | Lee Yong-seop | Democratic | Hold |
| South Jeolla | Kim Yung-rok | Democratic | Hold |
| North Jeolla | Song Ha-jin | Democratic | Hold |
| Busan | Oh Keo-don | Democratic | Gain |
| Ulsan | Song Cheol-ho | Democratic | Gain |
| South Gyeongsang | Kim Kyoung-soo | Democratic | Gain |
| Daegu | Kwon Young-jin | Liberty Korea | Hold |
| North Gyeongsang | Lee Cheol-woo | Liberty Korea | Hold |
| Jeju | Won Hee-ryong | Independent | Hold |

### Seoul

2018 Seoul mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Park Won-soon | 2,619,497 | 52.79 |
| | Liberty Korea | Kim Moon-soo | 1,158,487 | 23.34 |
| | Bareunmirae | Ahn Cheol-soo | 970,374 | 19.55 |
| | Green | Sin Jie-ye | 82,874 | 1.67 |
| | Justice | Kim Jong-min | 81,664 | 1.64 |
| | Minjung | Kim Jin-sook | 22,134 | 0.44 |
| | Our Future | Woo In-cheol | 11,599 | 0.23 |
| | Korean Patriots' | Ihn Ji-yeon | 11,222 | 0.22 |
| | Chinbak Yeondae | Choi Tae-hyeon | 4,021 | 0.08 |
| Total valid votes | Total valid votes | Total valid votes | 4,961,872 | – |
| Rejected ballots | Rejected ballots | Rejected ballots | 57,226 | – |
| Total votes | Total votes | Total votes | 5,019,098 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Incheon

2018 Incheon mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Park Nam-chun | 766,186 | 57.7 |
| | Liberty Korea | Yoo Jung-bok | 470,937 | 35.4 |
| | Bareunmirae | Moon Byung-ho | 54,054 | 4.1 |
| | Justice | Kim Eung-ho | 37,472 | 2.8 |
| Total votes | Total votes | Total votes | 1,349,084 | 100.0 |
| | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea |

### Gyeonggi

2018 Gyeonggi gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lee Jae-myung | 3,370,621 | 56.4 |
| | Liberty Korea | Nam Kyung-pil | 2,122,433 | 35.5 |
| | Bareunmirae | Kim Young-hwan | 287,504 | 4.8 |
| | Justice | Lee Hong-woo | 151,871 | 2.5 |
| | Minjung | Hong Sung-kyu | 43,098 | 0.7 |
| Total votes | Total votes | Total votes | 6,084,955 | 100.0 |
| | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea |

### Gangwon

2018 Gangwon gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Choi Moon-soon | 518,447 | 64.73 |
| | Liberty Korea | Jeong Chang-soo | 282,456 | 35.26 |
| Total valid votes | Total valid votes | Total valid votes | 800,903 | – |
| Rejected ballots | Rejected ballots | Rejected ballots | 18,290 | – |
| Total votes | Total votes | Total votes | 819,193 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Daejeon

2018 Daejeon mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Heo Tae-jeong | 393,354 | 56.4 |
| | Liberty Korea | Park Sung-hyo | 224,306 | 32.2 |
| | Bareunmirae | Nam Choung-hee | 61,271 | 8.8 |
| | Justice | Kim Yoon-gi | 18,351 | 2.6 |
| Total votes | Total votes | Total votes | 706,983 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Sejong

2018 Sejong mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lee Choon-hee | 96,896 | 71.3 |
| | Liberty Korea | Song Ah-young | 24,546 | 18.1 |
| | Bareunmirae | Heo Chul-hue | 14,444 | 10.6 |
| Total votes | Total votes | Total votes | 137,603 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### South Chungcheong

2018 South Chungcheong gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Yang Seung-jo | 615,870 | 62.6 |
| | Liberty Korea | Lee In-je | 345,577 | 35.1 |
| | Let's go Korea | Cha Gook-hwan | 23,012 | 2.4 |
| Total votes | Total votes | Total votes | 984,459 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### North Chungcheong

2018 North Chungcheong gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lee Si-jong | 468,750 | 61.2 |
| | Liberty Korea | Park Kyung-guk | 227,371 | 29.7 |
| | Bareunmirae | Shin Yong-han | 70,330 | 9.2 |
| Total votes | Total votes | Total votes | 782,316 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Gwangju

2018 Gwangju mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lee Yong-seop | 573,995 | 84.1 |
| | Justice | Na Gyung-che | 40,916 | 6.0 |
| | Bareunmirae | Jeon Duk-young | 34,487 | 5.1 |
| | Minjung | Yoon Min-ho | 33,312 | 4.9 |
| Total valid votes | Total valid votes | Total valid votes | 682,710 | – |
| Rejected ballots | Rejected ballots | Rejected ballots | 11,542 | – |
| Total votes | Total votes | Total votes | 694,252 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### South Jeolla

2018 South Jeolla gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Kim Yung-rok | 807,902 | 77.1 |
| | Democracy and Peace | Min Young-sam | 110,973 | 10.6 |
| | Minjung | Lee Sung-soo | 51,410 | 4.9 |
| | Bareunmirae | Park Mae-ho | 40,287 | 3.8 |
| | Justice | Noh Hyung-tae | 37,433 | 3.6 |
| Total votes | Total votes | Total votes | 1,092,107 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### North Jeolla

2018 North Jeolla gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Song Ha-jin | 682,042 | 70.6 |
| | Democracy and Peace | Lim Chung-yeop | 184,728 | 19.1 |
| | Justice | Kwon Tae-hong | 52,496 | 5.4 |
| | Liberty Korea | Shin Jae-bong | 26,374 | 2.7 |
| | Minjung | Lee Kwang-seok | 20,827 | 2.2 |
| Total votes | Total votes | Total votes | 996,504 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### Busan

2018 Busan mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Oh Keo-don | 940,469 | 55.2 |
| | Liberty Korea | Suh Byung-soo | 632,806 | 37.2 |
| | Bareunmirae | Lee Sung-guen | 67,502 | 4.0 |
| | Justice | Park Joo-mi | 35,299 | 2.1 |
| | Independent | Lee Jong-hyuk | 26,720 | 1.6 |
| Total votes | Total votes | Total votes | 1,727,684 | 100.0 |
| | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea |

### Ulsan

2018 Ulsan mayoral election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Song Cheol-ho | 317,341 | 52.9 |
| | Liberty Korea | Kim Ki-hyun | 240,475 | 40.1 |
| | Minjung | Kim Chang-hyun | 28,621 | 4.8 |
| | Bareunmirae | Lee Young-hee | 13,489 | 2.3 |
| Total votes | Total votes | Total votes | 610,698 | 100.0 |
| | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea |

### South Gyeongsang

2018 South Gyeongsang gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Kim Kyoung-soo | 941,491 | 52.8 |
| | Liberty Korea | Kim Tae-ho | 765,809 | 43.0 |
| | Bareunmirae | Kim Yoo-geun | 75,418 | 4.2 |
| Total votes | Total votes | Total votes | 1,819,391 | 100.0 |
| | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea | Democratic gain from Liberty Korea |

### Daegu

2018 Daegu mayoral election :
| Party | Party | Candidate | Votes | % |
| | Liberty Korea | Kwon Young-jin | 619,165 | 53.7 |
| | Democratic | Lim Dae-yun | 458,112 | 39.8 |
| | Bareunmirae | Kim Hyung-gi | 74,955 | 6.5 |
| Total valid votes | Total valid votes | Total valid votes | 1,152,232 | – |
| Rejected ballots | Rejected ballots | Rejected ballots | 20,047 | – |
| Total votes | Total votes | Total votes | 1,172,279 | 100.0 |
| | Liberty Korea hold | Liberty Korea hold | Liberty Korea hold | Liberty Korea hold |

### North Gyeongsang

2018 North Gyeongsang gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Liberty Korea | Lee Cheol-woo | 732,785 | 52.1 |
| | Democratic | Oh Joong-gi | 482,564 | 34.3 |
| | Bareunmirae | Kwon Oe-eul | 143,409 | 10.2 |
| | Justice | Park Chang-ho | 47,250 | 3.4 |
| Total votes | Total votes | Total votes | 1,457,539 | 100.0 |
| | Liberty Korea hold | Liberty Korea hold | Liberty Korea hold | Liberty Korea hold |

### Jeju

2018 Jeju gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Independent | Won Hee-ryong | 178,255 | 51.7 |
| | Democratic | Moon Dae-rim | 137,901 | 40.0 |
| | Green | Ko Eun-young | 12,188 | 3.5 |
| | Liberty Korea | Kim Bang-hoon | 11,241 | 3.3 |
| | Bareunmirae | Jang Seong-cheol | 5,019 | 1.5 |
| Total votes | Total votes | Total votes | 350,943 | 100.0 |

## Metropolitan and provincial councillors

A total of 824 metropolitan and provincial councillors were elected.
| Metropolitan city/province | Democratic | Liberty Korea | Justice | Bareunmirae | Democracy and Peace | Independent | Total | Total |
| Seoul | 102 | 6 | 1 | 1 | | | 110 | |
| Incheon | 34 | 2 | 1 | | | | 37 | |
| Gyeonggi | 135 | 4 | 2 | 1 | | | 142 | |
| Gangwon | 35 | 11 | | | | | 46 | |
| Daejeon | 21 | 1 | | | | | 22 | |
| Sejong | 17 | 1 | | | | | 18 | |
| South Chungcheong | 33 | 8 | 1 | | | | 42 | |
| North Chungcheong | 28 | 4 | | | | | 32 | |
| Gwangju | 22 | | 1 | | | | 23 | |
| South Jeolla | 54 | | 2 | | 2 | | 58 | |
| North Jeolla | 36 | | 1 | | 1 | 1 | 39 | |
| Busan | 41 | 6 | | | | | 47 | |
| Ulsan | 17 | 5 | | | | | 22 | |
| South Gyeongsang | 34 | 21 | 1 | | | 2 | 58 | |
| Daegu | 5 | 25 | | | | | 30 | |
| North Gyeongsang | 9 | 41 | | 1 | | 9 | 60 | |
| Jeju | 29 | 2 | 1 | 2 | | 4 | 38 | |
| Total | 652 | 137 | 11 | 5 | 3 | 16 | 824 | 824 |

## Municipal mayors

A total of 226 municipal mayors (municipal city, county, autonomous district) were elected.
| Metropolitan city/province | Democratic | Liberty Korea | Democracy and Peace | Independent | Total | Total |
| Seoul | 24 | 1 | | | 25 | |
| Incheon | 9 | 1 | | | 10 | |
| Gyeonggi | 29 | 2 | | | 31 | |
| Gangwon | 11 | 5 | | 2 | 18 | |
| Daejeon | 5 | | | | 5 | |
| South Chungcheong | 11 | 4 | | | 15 | |
| North Chungcheong | 7 | 4 | | | 11 | |
| Gwangju | 5 | | | | 5 | |
| South Jeolla | 14 | | 3 | 5 | 22 | |
| North Jeolla | 10 | | 2 | 2 | 14 | |
| Busan | 13 | 2 | | 1 | 16 | |
| Ulsan | 5 | | | | 5 | |
| South Gyeongsang | 7 | 10 | | 1 | 18 | |
| Daegu | | 7 | | 1 | 8 | |
| North Gyeongsang | 1 | 17 | | 5 | 23 | |
| Total | 151 | 53 | 5 | 17 | 226 | 226 |

## Municipal councillors

A total of 2,926 municipal councillors (municipal city, county, autonomous district) were elected.
| Metropolitan city/province | Democratic | Liberty Korea | Democracy and Peace | Justice | Bareunmirae | Minjung | Independent | Total |
| Seoul | 249 | 157 | | 5 | 9 | | 3 | 423 |
| Incheon | 71 | 46 | | | | | 1 | 118 |
| Gyeonggi | 290 | 144 | | 5 | 4 | 2 | 2 | 446 |
| Gangwon | 93 | 63 | | | 1 | | 12 | 169 |
| Daejeon | 38 | 25 | | | | | | 63 |
| South Chungcheong | 98 | 66 | | | 1 | | 6 | 171 |
| North Chungcheong | 86 | 43 | | 1 | | | 2 | 132 |
| Gwangju | 55 | | 9 | 1 | | 3 | | 68 |
| South Jeolla | 178 | | 26 | 3 | | 4 | 32 | 243 |
| North Jeolla | 147 | | 14 | 6 | 2 | | 28 | 197 |
| Busan | 103 | 78 | | | | | 1 | 182 |
| Ulsan | 27 | 21 | | | | 1 | 1 | 50 |
| South Gyeongsang | 104 | 133 | | 3 | | 1 | 23 | 264 |
| Daegu | 50 | 62 | | 1 | 2 | | 1 | 116 |
| North Gyeongsang | 50 | 171 | | 1 | 2 | | 60 | 284 |
| Total | 1,638 | 1,009 | 49 | 26 | 21 | 11 | 172 | 2,927 |