8th federal electoral district of Oaxaca

Under the 2023 districting plan adopted by the National Electoral Institute (INE), which is to be used for the 2024, 2027 and 2030 federal elections,^[7] the 8th district covers 216 precincts (secciones electorales) across eight municipalities in the central part of the state.^[8][1][a]

The head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the state capital, the city of Oaxaca de Juárez. The district reported a population of 430,659 in the 2020 Census and, with Indigenous and Afrodescendent inhabitants accounting for over 43% of that total, it is classified by the INE as an indigenous district.^[2][1][b]

Evolution of electoral district numbers

	1974	1978	1996	2005	2017	2023
Oaxaca	9	10	11	11	10	10
Chamber of Deputies	196	300
Sources: [2][11][12][13]

2017–2022

Oaxaca's 11th district was dissolved in the 2017 redistricting process. Under the 2017 to 2022 scheme, the 8th district had its head town at the city of Oaxaca and it covered seven municipalities.^[13][14]

2005–2017

Between 2005 and 2017, the district's head town was at the city of Oaxaca and it comprised four municipalities.^[15][16]

1996–2005

Between 1996 and 2017, Oaxaca's seat allocation was increased to 11. Under the 1996 districting plan, the head town was at the city of Oaxaca and it covered 24 municipalities.^[17][16]

1978–1996

The districting scheme in force from 1978 to 1996 was the result of the 1977 electoral reforms, which increased the number of single-member seats in the Chamber of Deputies from 196 to 300. Under that plan, Oaxaca's seat allocation rose from nine to ten.^[11] The 8th district had its head town at Santiago Pinotepa Nacional in the state's Costa Chica region.^[18]