• During the
Joseon Dynasty, the eastern part of present-day Pyeongtaek (the eastern areas of Pyeongtaek and Songtan city, as well as Jinwi, Seotan, and Godeok-myeon) was part of Chungcheongdo Jinwi County (Jinwi-gun), while the western part (Pohseong, Anjung-eup, and Cheongbuk, Oseong, and Hyeondeok-myeon) was part of Suwon-yusu (Suwon-gun) in Gyeonggi-do. Some parts of the current
Paengseong-eup and the southern part of Godeok-myeon were part of Chungcheongdo Pyeongtaek County (Pyeongtaek-gun). • June 23, 1895 (lunar May 1): With the implementation of the 23 districts system, Chungcheongdo Jinwi County and Pyeongtaek County were incorporated into Gongju Bu, and Suwon County in Gyeonggi-do was incorporated into Incheon Bu. • August 4, 1896: With the implementation of the 13 provinces system, Jinwi County in Gongju Bu and Suwon County in Incheon Bu were incorporated into Gyeonggi-do, while Pyeongtaek County in Gongju Bu was incorporated into Chungcheongnam-do. • April 1, 1914: Gyeonggi-do Jinwi County was reorganized, incorporating parts of Gyeonggi-do Suwon County and Chungcheongnam-do Pyeongtaek County to form the newly organized Gyeonggi-do
Jinwi County. (11 districts) • 1926: The Jinwi County office was moved from North-myeon to Byeongnam-myeon. • April 1, 1931: Byeongnam-myeon was renamed Pyeongtaek-myeon. • April 1, 1934: Buyong-myeon and Seo-myeon merged to form Paengseong-myeon. (10 districts) • October 1, 1938: Jinwi County was renamed
Pyeongtaek County. Pyeongtaek-myeon was promoted to Pyeongtaek-eup. (1 town, 9 districts) • August 1, 1948: North-myeon was renamed Jinwi-myeon. • January 1, 1963: Songtan-myeon was promoted to Songtan-eup. (2 towns, 8 districts) • May 1, 1979: Paengseong-myeon was promoted to
Paengseong-eup. (3 towns, 7 districts) • July 1, 1981: Songtan-eup was promoted to
Songtan City and separated from Pyeongtaek County. (Pyeongtaek County: 2 towns, 7 districts; Songtan City: 8 districts) • February 15, 1983: Parts of Anseong County's Wongok-myeon (Yongi-ri, Jukbaek-ri, Cheongyong-ri, Wolgok-ri) and Gongdo-myeon (Sosari) were incorporated into Pyeongtaek-eup without consultation with the residents. • February 15, 1983: Likewise, parts of Yongin County's Namsa-myeon (Jinmok-ri and Bongmyeong-ri) were incorporated into Pyeongtaek City without consultation with the residents. • January 1, 1986: Pyeongtaek-eup was promoted to
Pyeongtaek City and separated from Pyeongtaek County. (Pyeongtaek County: 1 town, 7 districts; Songtan City: 8 districts; Pyeongtaek City: 6 districts) • January 1, 1987: Parts of
Hwaseong County’s Yanggam-myeon (Goryeom-ri) were incorporated into Pyeongtaek City without consulting the residents. • July 1, 1987: The Anjung branch office was established (the Pyeongtaek County office was located within the Pyeongtaek City area at the time). • April 1, 1989: The jurisdiction of the Anjung branch office was upgraded to Anjung-myeon. • April 20, 1995: Parts of Jinwi-myeon (Galgot-ri, Goheon-ri, Cheongho-ri) were incorporated into
Osan. • May 10, 1995: Songtan City, Pyeongtaek City, and Pyeongtaek County merged to form
Pyeongtaek City as a metropolitan city. (1 town, 8 districts, 14 districts) • April 19, 1996: Dongbu-dong was renamed Songtan-dong. • October 1, 1998: Dowon-dong was merged into Songtan-dong. (1 town, 8 districts, 13 districts) • November 5, 2002: Anjung-myeon was promoted to Anjung-eup. (2 towns, 7 districts, 13 districts) • December 29, 2006: Pohseong-myeon was promoted to Pohseong-eup. (3 towns, 6 districts, 13 districts) • July 28, 2016: Cheongbuk-myeon was promoted to Cheongbuk-eup. (4 towns, 5 districts, 13 districts) • April 11, 2019: The population of Pyeongtaek City exceeded 500,000. • September 30, 2019: Yongi-dong was split into Yongi-dong and Songtan-dong. (4 towns, 5 districts, 14 districts) • October 25, 2021: Dongnak-dong was split into Dongnak-dong and
Godeok-dong. (4 towns, 5 districts, 15 districts) • November 15, 2021: Godeok-myeon's Yeom-ri, Yulpo-ri, Jwagyori, and Haechang-ri were changed to
Godeok-dong. (4 towns, 5 districts, 16 districts) ==Military base==