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 on the candidate's name indicates that a candidate has won as metropolitan mayor or governor. Results summary Bold represents incumbent re-elected. Seoul Incheon Gyeonggi Gangwon Daejeon Sejong South Chungcheong North Chungcheong Gwangju South Jeolla North Jeolla Busan Ulsan South Gyeongsang Daegu North Gyeongsang Jeju Metropolitan and provincial councillors A total of 824 Metropolitan and provincial councillors were elected. Municipal mayors A total of 226 municipal mayors (municipal city, county, autonomous district) were elected. Municipal councillors A total of 2,926 municipal councillors (municipal city, county, autonomous district) were elected. See also 2018 South Korean by-elections External links National Election Commission References 2018 elections in South Korea 2018 June 2018 events in South Korea