Nonsan–Gyeryong–Geumsan

Nonsan–Gyeryong–Geumsan (Korean: 논산시·계룡시·금산군) is a constituency of the National Assembly of South Korea. The constituency consists of Nonsan, Gyeryong, and Geumsan County. As of 2024, 180,091 eligible voters were registered in the constituency. The constituency was created in 2004 from the Nonsan–Geumsan constituency.

History
The constituency was first contested in the 2004 South Korean legislative election. Lee In-je of the centrist-liberal United Liberal Democrats won election, securing 44.85% of the vote. Lee ran as an independent candidate in 2008 and won re-election with only 27.67% of the vote which was the lowest percentage for a winning candidate in the entire election. He was re-elected in 2012 as a member of the right-wing Liberty Forward Party, narrowly beating out Kim Jong-min of the liberal Democratic United Party by less than three points. However, in the subsequent election held in 2016, Kim Jong-min of the liberal Democratic Party narrowly beat Lee In-je by 1,308 votes. Kim won re-election in 2020.

On March 8, 2024, incumbent Kim Jong-min announced his intention to run for the Sejong A constituency. Kim had previously left the Democratic Party on January 10, 2024, citing ideological differences with leader Lee Jae-myung. Kim was succeeded by Hwang Myeong-seon of the Democratic Party, who won with 50.84% of the vote.

Boundaries
The constituency encompasses the entirety of Nonsan, Gyeryong and Geumsan County located in South Chungcheong Province.