The 9th federal electoral district of Oaxaca () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 10 such districts in the state of Oaxaca.
It elects one deputy to the lower house of Congress for each three-year legislative period by means of the first-past-the-post system. Votes cast in the district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the third region.
The current member for the district, re-elected in the 2024 general election, is Carmen Bautista Peláez of the National Regeneration Movement (Morena).
District territory 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, the 9th district covers 193 precincts () across 42 municipalities in the state's coastal region. The link provides a complete list of the municipalities covered.
The head town (), where results from individual polling stations are gathered together and tallied, is the resort city of Puerto Escondido in the district of Juquila. The district reported a population of 403,267 in the 2020 census and, with Indigenous and Afrodescendent inhabitants accounting for over 78% of that total, it is classified by the INE as an indigenous district.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Oaxaca 9 10 11 11 10 10 Chamber of Deputies 196 300Sources:
2017–2022 Oaxaca's 11th district was dissolved in the 2017 redistricting process. Under the 2017 to 2022 scheme, the 9th district had its head town at the city of Puerto Escondido and it covered 42 municipalities. The link provides a complete list of the municipalities covered.
2005–2017 Between 2005 and 2017, the district comprised 60 municipalities and had its head town at the city of Santa Lucía del Camino in the Valles Centrales region. The link provides a complete list of the municipalities covered. The link contains comparative maps of the 2005 and 1996 schemes.
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 Zimatlán de Álvarez in the west of the Valles Centrales region and it covered 58 municipalities. The link provides a complete list of the municipalities covered.
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. The 9th district had its head town at Ejutla de Crespo in the state's Valles Centrales region. The link provides a complete list of the many municipalities the district covered.
Deputies returned to Congress
+ Oaxaca's 9th district Election Deputy Party Term Legislature 1979Rubén Darío Somuano López1979–198251st Congress1982Serafín Aguilar Franco1982–198552nd Congress1985Porfirio Leonel Rojas Medina1985–198853rd Congress1988Jorge González Illescas1988–199154th Congress1991Claudio Mario Guerra López1991–199455th Congress1994Juan Manuel Cruz Acevedo1994–199756th Congress1997Manuel García Corpus1997–200057th Congress2000Juan Díaz PimentelÁngel Meixueiro González2000–20012001–200358th Congress2003Manuel García Corpus2003–200659th Congress2006Othón Cuevas Córdova2006–200960th Congress2009Manuel García Corpus2009–201261st Congress2012Mario Rafael Méndez Martínez2012–201562nd Congress2015Eva Florinda Cruz Molina2015–201863rd Congress2018Carmen Bautista Peláez2018–202164th Congress2021Carmen Bautista Peláez2021–202465th Congress2024Carmen Bautista Peláez2024–202766th Congress
Presidential elections + Oaxaca's 9th district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 61.34892024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 75.3162
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