The history of the Yesan County Council can be seen at a glance.

2020 History

• July 05. 2022 The 9th Yesan County Council opened (Term of council members begin on July 1) (1st Half Chairman: Sang-woo Lee, 1st Half Vice Chairman: Won-pyo Hong)
• June 01. 2022 The 9th Yesan County Council election (11 members elected from 4 electoral districts. 2 proportional representatives)
• July 01. 2020 2nd half chairman and vice chairman elected (Chairman: Seung-gu Lee, Vice Chairman: Eung-soo Park)

2010 History

• July. 03, 2018 The 8th Yesan-gun Council launched on July 3rd, 2018 (Official launch date: July 1st)
  (First-term chairman: Lee Seung-koo, Vice-chair: Kim Man-kyum)
• Jul. 29, 2016 Elected chairperson and vice-chairperson for the latter half (Chairperson: Kuk-sang Kwon, Vice-chairperson: Jae-seok Kang)
  (Chairperson for the first half: Young-ho Kim, Vice-chairperson: Jae-seok Kang)
• Jul. 02, 2014 Opened the 7th Yesan County Council (temporary opening on Jul. 1)
  (Chairperson for the first half: Young-ho Kim, Vice-chairperson: Jae-seok Kang)
• Jun. 4, 2014 The 7th Yesan County Council election (11 persons including two proportional representations in four constituencies)
• Jun. 29, 2012 Elected chairperson and vice-chairperson for the latter half (Chairperson: Byoung-hee Jo, Vice-chairperson: Seong-gu Lee)
• Jul. 1, 2010 Opened the 6th Yesan County Council (temporary opening on Jul. 1) (Chairperson for the first half: Suk-ki Kim, Vice-chairperson: Young-ho Kim)

2000 History

• Apr. 17, 2009 Changed the name from General Affairs Committee to the Administration Welfare Committee
• Jul. 7, 2006 Opened the 5th Yesan County Council (temporary opening on Jul. 1) (Chairperson for the first half: Kuk-sang Kwon, Vice-chairperson: Moo-young Choi)
  (Chairperson for the second half: Kuk-sang Kwon, Vice-chairperson: Young-kyun Shin)
• May. 31, 2006 The 5th Yesan County Council election (11 persons including two proportional representations in four constituencies)
• Sep. 22, 2005 Changed the Social Industry Committee to the Industrial Construction Committee
• Aug. 24, 2002 Established standing committees (three standing committees)
• Jul. 8, 2002 Opened the 4th Yesan County Council (temporary opening on Jul. 1) (Chairperson for the first half: Hoe-wun Lee, Vice-chairperson: Kuk-sang Kwon)
  (Chairperson for the second half: Hoe-wun Lee, Vice-chairperson: Kuk-sang Kwon)
• Jun. 13, 2002 The 4th Yesan County Council election (13 persons in 12 constituencies)

1990 History

• Jul. 10, 1998 Opened the 3rd Yesan County Council (temporary opening on Jul. 1) (Chairperson for the first half: Sang-mun Park, Vice-chairperson: Seok-ki Kim)
  (Chairperson for the second half: Young-hyun Kim, Vice-chairperson: Moo-young Choi)
• Jul. 1, 1998 Abolished the standing committee
• Jun. 4, 1998 The 3rd Yesan County Council election (12 persons in 12 constituencies)
• Jul. 11, 1995 Opened the 2nd Yesan County Council (temporary opening on Jul. 1) (Chairperson for the first half: Tae-ryong Um, Vice-chairperson: Soon-hwan Park)
  (Chairperson for the second half: Soon-hwan Park, Vice-chairperson: Hyun-mun Shin)
• Jun. 27, 1995 The 2nd Yesan County Council election (13 persons in 12 constituencies)
• Nov. 5, 1994 Established standing committees (three standing committees)
• Apr. 15, 1991 Opened the 1st Yesan County Council (Chairperson: Jong-doo Kim, Vice-chairperson: Tae-ryong Um)
• Mar. 26, 1991 The 1st Yesan County Council election (13 persons in 12 constituencies)

1960 History

• May. 6, 1961 Dissolved the local assembly
• Dec. 9, 1960 The 3rd Election for Eup, Myeon Assembly

1950 History

• Aug. 8, 1956 The 2nd Election for Eup, Myeon Assembly
• Dec. 9, 1952 The 1st Election for Eup, Myeon Assembly

1940 History

• Jul. 4, 1949 Enacted and proclaimed the Local Autonomy Act.