The National Assembly of South Korea currently has 300 constituencies of which 254 are geographic constituencies that elect a single member using the plurality (first past the post) voting system to represent a geographic region, the remaining 46 members are elected using a semi-mixed member proportional representation system. Elections were last held for all 300 constituencies during the 2024 South Korean legislative election.

Geographic constituencies

Seoul (48) ConstituencyElectorate (2024)Subdivision (Administrative Districts)Jongno126,041At largeJung–Seongdong A180,528Wangsimni, Wangsimni-Doseon, Majang, Sageun, Hangdang, Eungbong, Seongsu, Songjeong, YongdapJung–Seongdong B177,422Jung district at large, Geumho, OksuYongsan188,998At largeGwangjin A150,187Gunja, Junggok, Neung, Gwangjang, Guui 2ndGwangjin B151,508Hwayang, Jayang, Guui 1st, Guui 3rdDongdaemun A151,861Yongsin, Jegi, Cheongnyangni, Hoegi, Hwigyeong, ImunDongdaemun B154,549Jeonnong, Dapsimni, JanganJungnang A156,202Myeonmok, Sangbong 2nd, Mangu 3rdJungnang B188,139Sangbong 1st, Junghwa, Muk, Mangu main, SinnaeSeongbuk A195,813Seongbuk (dong), Samseon, Dongseon, Donam 2nd, Anam, Bomun, Jeongneung, Gireum 1stSeongbuk B178,667Donam 1st, Gireum 2nd, Jongam, Wolgok, Jangwi, SeokgwanGangbuk A132,265Beon 1st, Beon 2nd, Suyu, Ui, InsuGangbuk B128,295Samyang, Mia, Songjung, Songcheon, samgaksan, Beon 3rdDobong A136,836Chang, Ssangmun 1st, Ssangmun 3rdDobong B138,197Dobong (dong), Ssangmun 2nd, Ssangmun 4th, BanghakNowon A224,187Wolgye, Gongneung, Hagye, Junggye Bon, Junggye 2nd, Junggye 3rdNowon B211,043Junggye 1st, Junggye 4th, SanggyeEunpyeong A219,044Nokbeon, Eungam, Yeokchon, Sinsa, Jeungsan, SusaekEunpyeong B195,270Bulgwang, Galhyeon, Gusan, Daejo, JingwanSeodaemun A130,042Chonyeon, Bugahyeon, Chunghyeon, Sinchon, Yeonhui, Hongje 1st, Hongje 2ndSeodaemun B141,489Hongje 3rd, Hongeun, Namgajwa, BukgajwaMapo A157,500Ahyeon, Gongdeok, Dohwa, Yongang, Daehung, Yeomni, SinsuMapo B182,761Seogang, Seogyo, Hapjeong, Mangwon, Yeonnam, Seongsan, SangamYangcheon A195,448Mok, Sinjeong 1st~2nd, Sinjeong 6th~7thYangcheon B175,761Sinwol, Sinjeong 3rd~4thGangseo A168,119Balsan, Ujangsan(Fmr. Hwagok 5th and Balsan 2nd), Hwagok 1st~3rd, Hwagok 8thGangseo B171,060Gayang 1st~2nd, Gonghang, Deungchon 3rd, BanghwaGangseo C158,668Gayang 3rd, Deungchon 1st~2nd, Yeomchang, Hwagok main, Hwagok 4th, Hwagok 6thGuro A205,069Gocheok, Gaebong, Oryu, Sugung, HangGuro B141,985Sindorim, Guro (dong), GaribongGeumcheon207,518At largeYeongdeungpo A193,458Yeongdeunpo (dong), Dangsan, Dorim, Mullae, Yangpyeong, Singil 3rdYeongdeungpo B141,494Yeouido, Singil 1st, Singil 4th~7th, DaerimDongjak A180,193Noryangjin, Sangdo 2nd~4th, Daebang, SindaebangDongjak B158,571Sangdo 1st, Heukseok, SadangGwanak A242,617Bongcheon (Statutory dong, At-large), Namhyeon, Sillim (Administrative dong)Gwanak B204,556Sillim (Statutory, Excpet Administrative Sillim-dong)Seocho A154,336Jamwon, Banpo, Bangbae main, Bangbae 1st, Bangbae 4thSeocho B232,128Seocho (dong), Bangbae 2nd~3rd, Yangje, NaegokGangnam A156,085Sinsa, Nonhyeon, Apgujeong, Cheongdam, YeoksamGangnam B168,269Gaepo, Segok, Irwon, SuseoGangnam C143,901Samseong, Daechi, DogokSongpa A151,559Pungnap, Bangi, Oryun Songpa (dong), Jamsil 4th, Jamsil 6thSongpa B191,803Seokchon, Samjeon, Garak 1st, Munjeong 2nd, Jamsil main, Jamsil 2nd~3rd, Jamsil 7thSongpa C220,953Geoyeo, Macheon, Ogeum, Garak main, Garak 2nd, Munjeong 1st, Jangji, WiryeGangdong A199,231Gangil, Sangil, Myeongil, Godeok, AmsaGangdong B198,766Cheonho, Seongnae, Dunchon, Gil

Busan (18) Constituency name Electorate (2024) Geographical Area Jung–Yeongdo 132,866 All of Jung District, Busan and Yeongdo District Seo–Dong172,850 All of Seo District, Busan and Dong District, Busan Busanjin A 160,658 Northern part of Busanjin District Busanjin B 161,857 Southern part of Busanjin District Dongnae 230,465 All of Dongnae District Nam223,869 All of Nam District, Busan Buk A121,889 Southern part of Buk District, Busan Buk B117,612 Northern part of Buk District, Busan Haeundae A185,494 Southern coastal part of Haeundae District Haeundae B141,382 Northern inland part of Haeundae District Saha A131,310 Northern part of Saha District Saha B130,588 Southern part of Saha District, Busan Geumjeong192,113 All of Geumjeong District, northern BusanGangseo111,554All of Gangseo District, western Busan Yeonje 184,060 All of Yeonje District, central Busan Suyeong 155,728 All of Suyeong District, central Busan Sasang 181,823 All of Sasang District, central Busan Gijang 146,425 All of Gijang County, north-eastern Busan

Daegu (12) Constituency Name Electorate (2024) Geographical Area Jung–Nam 204,639 All of Jung District and Nam District central and southern Daegu Dong–Gunwi A145,881 Southern part of Dong District eastern Daegu Dong–Gunwi B174,984 Northern part of Dong District and Gunwi County, eastern Daegu Seo 149,953 All of Seo District, western Daegu Buk A 152,872 Southern part of Buk District, northern Daegu Buk B 208,180 Northern part of Buk District, northern Daegu Suseong A 201,088 Northern part of Suseong District, eastern Daegu Suseong B 143,624 Southern part of Suseong District, eastern Daegu Dalseo A 134,682 Western part of Dalseo District, western Daegu Dalseo B 195,189 Southern part of Dalseo District, western Daegu Dalseo C 124,723 Eastern part of Dalseo District, western Daegu Dalseong 214,642 All of Dalseong County, non continuous district in western and southern Daegu

Incheon (14) Constituency Name Electorate (2024) Geographical Area Jung–Ganghwa–Ongjin 211,775 Central Incheon, North west coast from Incheon Airport to the DMZ and Ongjin Islands Dong–Michuhol A 225,741 All of Eastern District and northern part of Michuhol District Incheon Dong–Michuhol B185,368 Southern part of Michuhol District, Incheon Yeonsu A 166,126 Eastern part of Yeonsu District, Incheon Yeonsu B 156,982 Western part of Yeonsu District, Incheon Namdong A 208,476 Southern part of Namdong District, Incheon Namdong B 215,847 Northern part of Namdong District, Incheon Bupyeong A 229,074 Southern part of Bupyeong District, Incheon Bupyeong B 206,143 Northern part of Bupyeong District, Incheon Gyeyang A 120,600 Southern part of Gyeyang District, Incheon Gyeyang B 127,351 Northern part of Gyeyang District, Incheon Seo A 174,282 Southern part of Western District, Incheon Seo B 167,373 Central part of Western District, IncheonSeo C179,572Northern part of Western District, Incheon

Gwangju (8) Constituency Name Electorate (2024) Geographical Area Dong–Nam A 136,736 Most of Southern District, Gwangju Dong–Nam B 133,090 All of Eastern District and eastern part of southern district, Gwangju Seo A 124,977 Northern part of Western District, Gwangju Seo B 118,893 Southern part of Western District, Gwangju Buk A 158,463 Eastern part of Northern District, Gwangju Buk B 202,572 Western part of Northern District, Gwangju Gwangsan A 138,064 Southern part of Gwangsan District Gwangsan B 186,787 Northern Part of Gwangsan District

Daejeon (7) Constituency name Electorate (2024) Geographical area Dong 190,412 All of Eastern District, Daejeon Jung 195,348 All of Central District, Daejeon Seo A 212,533 Southern part of Western District, Daejeon Seo B 183,839 Northern part of Western District, Daejeon Yuseong A 159,614 Southern part of Yuseong District, Daejeon Yuseong B 144,975 Northern part of Yuseong District, Daejeon Daedeok 149,618 All of Daedeok District, northern Daejeon

Ulsan (6) Constituency Name Electorate (2024) Geographical Area Jung 179,055 All of Central District Ulsan Nam A 139,853 Western part of Southern District, Ulsan Nam B 123,722 Eastern part of Southern District, Ulsan Dong 127,134 All of Eastern District, Ulsan Buk 176,056 All of Northern District, Ulsan Ulju 188,440 All of Ulju County, western Ulsan

Sejong City (2) Constituency Name Electorate (2024) Geographical Area Sejong A 171,472 Southern and Western part of Sejong City Sejong B 129,759 Northern part of Sejong City

Gyeonggi (60) Constituency NameElectorate (2024) Geographical AreaSuwon A200,396 Northern SuwonSuwon B213,733 Western SuwonSuwon C182,482 Central SuwonSuwon D201,075 Eastern SuwonSuwon E227,030 Southern SuwonSeongnam Sujeong209,986 All of Sujeong District, northern SeongnamSeongnam Jungwon186,583 All of Jungwon District, eastern SeongnamSeongnam Bundang A214,158 Northern part of Bundang District, southern SeongnamSeongnam Bundang B182,451 Southern part of Bundag District, southern SeongnamUijeongbu A177,927 Western part of UijeongbuUijeongbu B222,648 Eastern part of UijeongbuAnyang Manan203,664 All of Manan District, AnyangAnyang Dongan A138,721 Northern part of Dongan District, north-eastern AnyangAnyang Dongan B129,800 Southern part of Dongan District, south-eastern AnyangBucheon A232,632 Northern part of Bucheon CityBucheon B214,471 Western part of Bucheon CityBucheon C233,948 Southern part of Bucheon CityGwangmyeong A113,596 Northern part of GwangmyeongGwangmyeong B125,172 Southern part of GwangmyeongPyeongtaek A166,864 Northern part of PyeongtaekPyeongtaek B159,378 Western part of PyeongtaekPyeongtaek C171,693Southern part of PyeongtaekDongducheon–Yangju–Yeoncheon A218,378Yangju city (excluding Nam-myeon and Eunhyeon-myeon)Dongducheon–Yangju–Yeoncheon B125,278All of Dongducheon, northern Yangju, all of Yeoncheon CountyAnsan A170,398 Southern AnsanAnsan B197,297 Eastern AnsanAnsan C181,427 Western AnsanGoyang A228,942 North-east GoyangGoyang B229,773 South-eastern GoyangGoyang C236,926 central GoyangGoyang D227,947 western GoyangUiwang–Gwacheon202,961Uiwang and Gwacheon cities- south of Seoul between Anyang and SeongnamGuri161,475Guri cityNamyangju A180,754 North-western NamyangjuNamyangju B208,484North-eastern NamyangjuNamyangju C225,084Southern NamyangjuOsan193,088Osan City south of SuwonSiheung A221,338 Northern SiheungSiheung B212,474 Southern SiheungGunpo226,042 Gunpo north-west of SuwonHanam A144,860Northern Hanam Hanam B127,378Southern HanamYongin A225,977 South East of Yongin city- all of Cheoin DistrictYongin B229,759 Northern Yongin city parts of Suji districtYongin C220,492 Western Yongin city, part of Suji District Yongin D223,886 Central Yongin City- parts of Giheung District and parts of Suji districtPaju A226,611 South and West Paju next to North KoreaPaju B192,812 North and East Paju next to North KoreaIcheon188,859Icheon city and surrounding area.Anseong165,008Anseong city and surrounding areaGimpo A186,282 East GimpoGimpo B209,555 West Gimpo and surrounding areaHwaseong A221,628 Western Hwaseong and surrounding areaHwaseong B169,135 Southeastern HwaseongHwaseong C207,233 Central HwaseongHwaseong D164,120Northeastern HwaseongGwangju A163,581 North of Gwangju, GyeonggiGwangju B170,215 South of Gwangju, GyeonggiPocheon–Gapyeong183,868 Pocheon and Gapyeong County in the north-east of Gyeonggi provinceYeoju–Yangpyeong211,775 Yeoju City and Yangpyeong County in the south-east of Gyeonggi province

Gangwon (8) Constituency Names Electorate (2024) Geographical Area Chuncheon–Cheorwon–Hwacheon–Yanggu A 196,972 Southern Chuncheon City and surrounding rural area. Chuncheon–Cheorwon–Hwacheon–Yanggu B 124,089 Northern Chuncheon City and Cheorwon County, Hwacheon County and Yanggu County in north western Gangwon Wonju A 159,375 West Wonju city Wonju B 148,344 East Wonju city Gangneung 183,878 Gangneung City Donghae–Taebaek–Samcheok–Jeongseon 196,849 Donghae City, Taebaek City, Samcheok City and Jeongseon County in south-east Gangwon province. Sokcho–Goseong–Yangyang–Inje148,964Sokcho City, Inje County, Goseong County and Yangyang County in north-east Gangwon Province Hongcheon–Hoengseong–Yeongwol–Pyeongchang 173,056 Hongcheon County, Hoengseong County, Yeongwol County and Pyeongchang County

North Chungcheong (8)